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Date:      Mon, 23 Apr 2012 10:59:07 +0200
From:      Fabien Thomas <fabien.thomas@netasq.com>
To:        Monthadar Al Jaberi <monthadar@gmail.com>
Cc:        monthadar@freebsd.org, Adrian Chadd <adrian@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, Fabien Thomas <fabient@freebsd.org>, freebsd-mips@freebsd.org
Subject:   Re: svn commit: r233628 - in head: lib/libpmc sys/amd64/amd64 sys/amd64/include sys/arm/include sys/conf sys/dev/hwpmc sys/i386/i386 sys/i386/include sys/kern sys/mips/include sys/modules/hwpmc sys/pow...
Message-ID:  <2DB1BD7C-D909-4D36-90F4-8F19CD27412B@netasq.com>
In-Reply-To: <CA%2BsBSo%2B%2BDytD_0b%2BFh=aPzpgx8LMEH=%2B48bq6thxTgUdhDYyrw@mail.gmail.com>
References:  <201203282058.q2SKwVsJ053900@svn.freebsd.org> <CAJ-Vmok-JHRsnwh5j2vnw54ccVSDOoYHCut_N9wfohsQSvOaZA@mail.gmail.com> <CA%2BsBSoJ_5OrgeD_K%2BpM18%2BW9MomYTiierrD8bvZ0Kk4t6su=AQ@mail.gmail.com> <25D59FAA-D52A-42FB-8120-66467863AB0B@netasq.com> <CA%2BsBSo%2B%2BDytD_0b%2BFh=aPzpgx8LMEH=%2B48bq6thxTgUdhDYyrw@mail.gmail.com>

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Le 23 avr. 2012 =C3=A0 10:06, Monthadar Al Jaberi a =C3=A9crit :

> On Mon, Apr 23, 2012 at 9:47 AM, Fabien Thomas =
<fabien.thomas@netasq.com> wrote:
>> Hi,
>>=20
>> The rumors seems true :)
>> Can you try the patch attached (I cannot test as i've no MIPS =
hardware) ?
>=20
> my RSPRO boots fine now, thank you :)
>=20
commited as r234598.
Thanks!

>>=20
>> Thanks,
>> Fabien
>>=20
>>=20
>>> On Mon, Apr 23, 2012 at 8:44 AM, Adrian Chadd <adrian@freebsd.org> =
wrote:
>>>> Hi Fabien,
>>>>=20
>>>> I've heard some rumours that this broke hwpmc support for mips24k.
>>>>=20
>>>> Monthadar, can you please provide some background info for this?
>>>>=20
>>>=20
>>> This is the log output
>>>=20
>>> Using default protocol (TFTP)
>>> Entry point: 0x80050100, address range: 0x80050000-0x804f1dcc
>>> RedBoot> exec
>>> Now booting linux kernel:
>>> Base address 0x80050000 Entry 0x80050100
>>> memsize=3D0x08000000
>>> modetty0=3D0,n,8,1,hw
>>> board=3DRouterStation PRO
>>> ethaddr=3D00.15.6d.c8.c9.2e
>>> CPU platform: Atheros AR7161 rev 2
>>> CPU Frequency=3D720 MHz
>>> CPU DDR Frequency=3D360 MHz
>>> CPU AHB Frequency=3D180 MHz
>>> platform frequency: 720000000
>>> arguments:
>>>  a0 =3D 00000002
>>>  a1 =3D 80050028
>>>  a2 =3D 80050000
>>>  a3 =3D 00000001
>>> Cmd line:  =
=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BDm=EF=BF=BD=EF=
=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=
=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD_}=EF=BF=BD=EF=BF=BD=EF=BF=
=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=DF=BEq=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=
=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=
=BD=EF=BF=BD=EF=BF=BD =
=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=
=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=
=BD=DF=BF=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=
=BF=BD=EF=BF=BD_=EF=BF=BDw=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD =
=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD?-=EF=BF=BD=EF=BF=BD=EF=BF=BD=
=EF=BF=BD{=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD=EF=BF=BD~=EF=BF=BD=
=EF=BF=BD
>>> Environment:
>>>  memsize =3D 0x08000000
>>>  modetty0 =3D 0,n,8,1,hw
>>>  ethaddr =3D 00.15.6d.c8.c9.2e
>>>  board =3D RouterStation PRO
>>> Cache info:
>>>  picache_stride    =3D 4096
>>>  picache_loopcount =3D 16
>>>  pdcache_stride    =3D 4096
>>>  pdcache_loopcount =3D 8
>>> cpu0: MIPS Technologies processor v116.147
>>>  MMU: Standard TLB, 16 entries
>>>  L1 i-cache: 4 ways of 512 sets, 32 bytes per line
>>>  L1 d-cache: 4 ways of 256 sets, 32 bytes per line
>>>  Config1=3D0x9ee3519e<PerfCount,WatchRegs,MIPS16,EJTAG>
>>>  Config3=3D0x20
>>> KDB: debugger backends: ddb
>>> KDB: current backend: ddb
>>> Copyright (c) 1992-2012 The FreeBSD Project.
>>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, =
1994
>>>       The Regents of the University of California. All rights =
reserved.
>>> FreeBSD is a registered trademark of The FreeBSD Foundation.
>>> FreeBSD 10.0-CURRENT #12: Fri Apr 20 18:03:16 CEST 2012
>>>    root@freebsd-re-9:/usr/obj/mips.mips/usr/src/sys/RSPRO_USB_PROD =
mips
>>> WARNING: WITNESS option enabled, expect reduced performance.
>>> MEMGUARD DEBUGGING ALLOCATOR INITIALIZED:
>>>       MEMGUARD map base: 0xc0800000
>>>       MEMGUARD map limit: 0xc1c00000
>>>       MEMGUARD map size: 20480 KBytes
>>> real memory  =3D 134217728 (131072K bytes)
>>> avail memory =3D 123117568 (117MB)
>>> random device not loaded; using insecure entropy
>>> nexus0: <MIPS32 root nexus>
>>> clock0: <Generic MIPS32 ticker> on nexus0
>>> Timecounter "MIPS32" frequency 360000000 Hz quality 800
>>> Event timer "MIPS32" frequency 360000000 Hz quality 800
>>> apb0 at irq 4 on nexus0
>>> uart0: <16550 or compatible> on apb0
>>> uart0: console (115200,n,8,1)
>>> gpio0: <Atheros AR71XX GPIO driver> on apb0
>>> gpio0: [GIANT-LOCKED]
>>> gpio0: gpio pinmask=3D0x0
>>> gpioc0: <GPIO controller> on gpio0
>>> gpiobus0: <GPIO bus> on gpio0
>>> ehci0: <AR71XX Integrated USB 2.0 controller> at mem
>>> 0x1b000000-0x1bffffff irq 1 on nexus0
>>> usbus0: set host controller mode
>>> usbus0: EHCI version 1.0
>>> usbus0: set host controller mode
>>> usbus0 on ehci0
>>> pcib0 at irq 0 on nexus0
>>> pci0: <PCI bus> on pcib0
>>> pci0: <old, non-VGA display device> at device 0.0 (no driver =
attached)
>>> ath0: <Atheros 5413> irq 0 at device 17.0 on pci0
>>> ath0: AR5413 mac 10.5 RF5413 phy 6.1
>>> ath0: 2GHz radio: 0x0000; 5GHz radio: 0x0063
>>> arge0: <Atheros AR71xx built-in ethernet interface> at mem
>>> 0x19000000-0x19000fff irq 2 on nexus0
>>> arge0: No PHY specified, using mask 16
>>> miibus0: <MII bus> on arge0
>>> ukphy0: <Generic IEEE 802.3u media interface> PHY 4 on miibus0
>>> ukphy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
>>> 1000baseT-FDX, 1000baseT-FDX-master, auto
>>> arge0: Ethernet address: 00:15:6d:c8:c9:2e
>>> arge1: <Atheros AR71xx built-in ethernet interface> at mem
>>> 0x1a000000-0x1a000fff irq 3 on nexus0
>>> arge1: No PHY specified, using mask 15
>>> arge1: Ethernet address: 00:15:6d:c8:c9:2f
>>> spi0: <AR71XX SPI> at mem 0x1f000000-0x1f00000f on nexus0
>>> spibus0: <spibus bus> on spi0
>>> mx25l0: <M25Pxx Flash Family> at cs 0 on spibus0
>>> mx25l0: mx25ll128, sector 65536 bytes, 256 sectors
>>> ar71xx_wdog0: <Atheros AR71XX watchdog timer> on nexus0
>>> Timecounters tick every 1.000 msec
>>> usbus0: 480Mbps High Speed USB v2.0
>>> ugen0.1: <Atheros> at usbus0
>>> uhub0: <Atheros EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on =
usbus0
>>> panic: [pmc,4816] npmc miscomputed: ri=3D0, md->npmc=3D2
>>> KDB: enter: panic
>>> [ thread pid 0 tid 100000 ]
>>> Stopped at      kdb_enter+0x4c: lui     at,0x8050
>>> db> tr
>>> Tracing pid 0 tid 100000 td 0x804f76d0
>>> db_trace_thread+30 (?,?,?,?) ra 8068b94800000018 sp 0 sz 0
>>> 80075adc+114 (0,?,ffffffff,?) ra 8068b96000000020 sp 100000000 sz 1
>>> 80074e24+388 (?,?,?,?) ra 8068b980000000a8 sp 0 sz 0
>>> db_command_loop+70 (?,?,?,?) ra 8068ba2800000018 sp 0 sz 0
>>> 80077900+f4 (?,?,?,?) ra 8068ba40000001a8 sp 0 sz 0
>>> kdb_trap+110 (?,?,?,?) ra 8068bbe800000030 sp 0 sz 0
>>> trap+c7c (?,?,?,?) ra 8068bc18000000b8 sp 0 sz 0
>>> MipsKernGenException+134 (0,4,8043b1d4,119) ra 8068bcd0000000c8 sp
>>> 100000001 sz 1
>>> kdb_enter+4c (?,?,?,?) ra 8068bd9800000018 sp 0 sz 0
>>> panic+11c (?,12d0,0,2) ra 8068bdb000000028 sp 1 sz 1
>>> 800e8ca8+274 (?,?,?,?) ra 8068bdd800000038 sp 0 sz 0
>>> syscall_module_handler+b8 (?,?,?,?) ra 8068be1000000028 sp 0 sz 0
>>> module_register_init+9c (?,?,?,?) ra 8068be3800000028 sp 0 sz 0
>>> mi_startup+138 (?,?,?,?) ra 8068be6000000020 sp 0 sz 0
>>> _start+90 (?,?,?,?) ra 8068be8000000000 sp 0 sz 0
>>> pid 0
>>> db>
>>>=20
>>>> Thanks,
>>>>=20
>>>>=20
>>>>=20
>>>> adrian
>>>>=20
>>>> On 28 March 2012 13:58, Fabien Thomas <fabient@freebsd.org> wrote:
>>>>> Author: fabient
>>>>> Date: Wed Mar 28 20:58:30 2012
>>>>> New Revision: 233628
>>>>> URL: http://svn.freebsd.org/changeset/base/233628
>>>>>=20
>>>>> Log:
>>>>>  Add software PMC support.
>>>>>=20
>>>>>  New kernel events can be added at various location for sampling =
or counting.
>>>>>  This will for example allow easy system profiling whatever the =
processor is
>>>>>  with known tools like pmcstat(8).
>>>>>=20
>>>>>  Simultaneous usage of software PMC and hardware PMC is possible, =
for example
>>>>>  looking at the lock acquire failure, page fault while sampling on
>>>>>  instructions.
>>>>>=20
>>>>>  Sponsored by: NETASQ
>>>>>  MFC after:    1 month
>>>>>=20
>>>>> Added:
>>>>>  head/lib/libpmc/pmc.soft.3   (contents, props changed)
>>>>>  head/sys/dev/hwpmc/hwpmc_soft.c   (contents, props changed)
>>>>>  head/sys/dev/hwpmc/hwpmc_soft.h   (contents, props changed)
>>>>> Modified:
>>>>>  head/lib/libpmc/Makefile
>>>>>  head/lib/libpmc/libpmc.c
>>>>>  head/lib/libpmc/pmc.3
>>>>>  head/lib/libpmc/pmc.atom.3
>>>>>  head/lib/libpmc/pmc.core.3
>>>>>  head/lib/libpmc/pmc.core2.3
>>>>>  head/lib/libpmc/pmc.corei7.3
>>>>>  head/lib/libpmc/pmc.corei7uc.3
>>>>>  head/lib/libpmc/pmc.iaf.3
>>>>>  head/lib/libpmc/pmc.k7.3
>>>>>  head/lib/libpmc/pmc.k8.3
>>>>>  head/lib/libpmc/pmc.mips24k.3
>>>>>  head/lib/libpmc/pmc.octeon.3
>>>>>  head/lib/libpmc/pmc.p4.3
>>>>>  head/lib/libpmc/pmc.p5.3
>>>>>  head/lib/libpmc/pmc.p6.3
>>>>>  head/lib/libpmc/pmc.sandybridge.3
>>>>>  head/lib/libpmc/pmc.sandybridgeuc.3
>>>>>  head/lib/libpmc/pmc.tsc.3
>>>>>  head/lib/libpmc/pmc.ucf.3
>>>>>  head/lib/libpmc/pmc.westmere.3
>>>>>  head/lib/libpmc/pmc.westmereuc.3
>>>>>  head/lib/libpmc/pmc.xscale.3
>>>>>  head/lib/libpmc/pmclog.c
>>>>>  head/lib/libpmc/pmclog.h
>>>>>  head/sys/amd64/amd64/trap.c
>>>>>  head/sys/amd64/include/pmc_mdep.h
>>>>>  head/sys/arm/include/pmc_mdep.h
>>>>>  head/sys/conf/files
>>>>>  head/sys/dev/hwpmc/hwpmc_amd.c
>>>>>  head/sys/dev/hwpmc/hwpmc_core.c
>>>>>  head/sys/dev/hwpmc/hwpmc_intel.c
>>>>>  head/sys/dev/hwpmc/hwpmc_logging.c
>>>>>  head/sys/dev/hwpmc/hwpmc_mips.c
>>>>>  head/sys/dev/hwpmc/hwpmc_mod.c
>>>>>  head/sys/dev/hwpmc/hwpmc_piv.c
>>>>>  head/sys/dev/hwpmc/hwpmc_powerpc.c
>>>>>  head/sys/dev/hwpmc/hwpmc_ppro.c
>>>>>  head/sys/dev/hwpmc/hwpmc_tsc.c
>>>>>  head/sys/dev/hwpmc/hwpmc_x86.c
>>>>>  head/sys/dev/hwpmc/hwpmc_xscale.c
>>>>>  head/sys/dev/hwpmc/pmc_events.h
>>>>>  head/sys/i386/i386/trap.c
>>>>>  head/sys/i386/include/pmc_mdep.h
>>>>>  head/sys/kern/kern_clock.c
>>>>>  head/sys/kern/kern_lock.c
>>>>>  head/sys/kern/kern_mutex.c
>>>>>  head/sys/kern/kern_pmc.c
>>>>>  head/sys/kern/kern_rwlock.c
>>>>>  head/sys/kern/kern_sx.c
>>>>>  head/sys/kern/subr_trap.c
>>>>>  head/sys/mips/include/pmc_mdep.h
>>>>>  head/sys/modules/hwpmc/Makefile
>>>>>  head/sys/powerpc/include/pmc_mdep.h
>>>>>  head/sys/sys/pmc.h
>>>>>  head/sys/sys/pmckern.h
>>>>>  head/sys/sys/pmclog.h
>>>>>  head/usr.sbin/pmcstat/pmcstat_log.c
>>>>>=20
>>>>> Modified: head/lib/libpmc/Makefile
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/Makefile    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/Makefile    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -20,6 +20,7 @@ MAN+=3D pmc_read.3
>>>>>  MAN+=3D  pmc_set.3
>>>>>  MAN+=3D  pmc_start.3
>>>>>  MAN+=3D  pmclog.3
>>>>> +MAN+=3D  pmc.soft.3
>>>>>=20
>>>>>  # PMC-dependent manual pages
>>>>>  .if ${MACHINE_CPUARCH} =3D=3D "i386" || ${MACHINE_CPUARCH} =3D=3D =
"amd64"
>>>>>=20
>>>>> Modified: head/lib/libpmc/libpmc.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/libpmc.c    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/libpmc.c    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -77,11 +77,12 @@ static int tsc_allocate_pmc(enum pmc_eve
>>>>>  static int xscale_allocate_pmc(enum pmc_event _pe, char =
*_ctrspec,
>>>>>     struct pmc_op_pmcallocate *_pmc_config);
>>>>>  #endif
>>>>> -
>>>>>  #if defined(__mips__)
>>>>>  static int mips_allocate_pmc(enum pmc_event _pe, char* ctrspec,
>>>>>                             struct pmc_op_pmcallocate =
*_pmc_config);
>>>>>  #endif /* __mips__ */
>>>>> +static int soft_allocate_pmc(enum pmc_event _pe, char *_ctrspec,
>>>>> +    struct pmc_op_pmcallocate *_pmc_config);
>>>>>=20
>>>>>  #if defined(__powerpc__)
>>>>>  static int ppc7450_allocate_pmc(enum pmc_event _pe, char* =
ctrspec,
>>>>> @@ -156,6 +157,8 @@ PMC_CLASSDEP_TABLE(octeon, OCTEON);
>>>>>  PMC_CLASSDEP_TABLE(ucf, UCF);
>>>>>  PMC_CLASSDEP_TABLE(ppc7450, PPC7450);
>>>>>=20
>>>>> +static struct pmc_event_descr soft_event_table[PMC_EV_DYN_COUNT];
>>>>> +
>>>>>  #undef __PMC_EV_ALIAS
>>>>>  #define        __PMC_EV_ALIAS(N,CODE)  { N, PMC_EV_##CODE },
>>>>>=20
>>>>> @@ -215,21 +218,22 @@ static const struct pmc_event_descr west
>>>>>                PMC_CLASS_##C, __VA_ARGS__                      \
>>>>>        }
>>>>>=20
>>>>> -PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(core, IAP, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, =
PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, =
PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_IAF, PMC_CLASS_TSC, =
PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> -PMC_MDEP_TABLE(k7, K7, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(k8, K8, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p4, P4, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p5, P5, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(p6, P6, PMC_CLASS_TSC);
>>>>> -PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_XSCALE);
>>>>> -PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_MIPS24K);
>>>>> -PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_OCTEON);
>>>>> -PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_PPC7450);
>>>>> +PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, =
PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(core, IAP, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, =
PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, =
PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, =
PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, =
PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP);
>>>>> +PMC_MDEP_TABLE(k7, K7, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(k8, K8, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p4, P4, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p5, P5, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(p6, P6, PMC_CLASS_SOFT, PMC_CLASS_TSC);
>>>>> +PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_SOFT, PMC_CLASS_XSCALE);
>>>>> +PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_SOFT, =
PMC_CLASS_MIPS24K);
>>>>> +PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_SOFT, PMC_CLASS_OCTEON);
>>>>> +PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_SOFT, =
PMC_CLASS_PPC7450);
>>>>> +PMC_MDEP_TABLE(generic, SOFT, PMC_CLASS_SOFT);
>>>>>=20
>>>>>  static const struct pmc_event_descr tsc_event_table[] =3D
>>>>>  {
>>>>> @@ -279,16 +283,24 @@ PMC_CLASS_TABLE_DESC(tsc, TSC, tsc, tsc)
>>>>>  #if    defined(__XSCALE__)
>>>>>  PMC_CLASS_TABLE_DESC(xscale, XSCALE, xscale, xscale);
>>>>>  #endif
>>>>> -
>>>>>  #if defined(__mips__)
>>>>>  PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips);
>>>>>  PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips);
>>>>>  #endif /* __mips__ */
>>>>> -
>>>>>  #if defined(__powerpc__)
>>>>>  PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, ppc7450);
>>>>>  #endif
>>>>>=20
>>>>> +static struct pmc_class_descr soft_class_table_descr =3D
>>>>> +{
>>>>> +       .pm_evc_name  =3D "SOFT-",
>>>>> +       .pm_evc_name_size =3D sizeof("SOFT-") - 1,
>>>>> +       .pm_evc_class =3D PMC_CLASS_SOFT,
>>>>> +       .pm_evc_event_table =3D NULL,
>>>>> +       .pm_evc_event_table_size =3D 0,
>>>>> +       .pm_evc_allocate_pmc =3D soft_allocate_pmc
>>>>> +};
>>>>> +
>>>>>  #undef PMC_CLASS_TABLE_DESC
>>>>>=20
>>>>>  static const struct pmc_class_descr **pmc_class_table;
>>>>> @@ -343,9 +355,12 @@ static const char * pmc_state_names[] =3D
>>>>>        __PMC_STATES()
>>>>>  };
>>>>>=20
>>>>> -static int pmc_syscall =3D -1;           /* filled in by =
pmc_init() */
>>>>> -
>>>>> -static struct pmc_cpuinfo cpu_info;    /* filled in by pmc_init() =
*/
>>>>> +/*
>>>>> + * Filled in by pmc_init().
>>>>> + */
>>>>> +static int pmc_syscall =3D -1;
>>>>> +static struct pmc_cpuinfo cpu_info;
>>>>> +static struct pmc_op_getdyneventinfo soft_event_info;
>>>>>=20
>>>>>  /* Event masks for events */
>>>>>  struct pmc_masks {
>>>>> @@ -2179,6 +2194,25 @@ tsc_allocate_pmc(enum pmc_event pe, char
>>>>>  }
>>>>>  #endif
>>>>>=20
>>>>> +static struct pmc_event_alias generic_aliases[] =3D {
>>>>> +       EV_ALIAS("instructions",                =
"SOFT-CLOCK.HARD"),
>>>>> +       EV_ALIAS(NULL, NULL)
>>>>> +};
>>>>> +
>>>>> +static int
>>>>> +soft_allocate_pmc(enum pmc_event pe, char *ctrspec,
>>>>> +    struct pmc_op_pmcallocate *pmc_config)
>>>>> +{
>>>>> +       (void)ctrspec;
>>>>> +       (void)pmc_config;
>>>>> +
>>>>> +       if (pe < PMC_EV_SOFT_FIRST || pe > PMC_EV_SOFT_LAST)
>>>>> +               return (-1);
>>>>> +
>>>>> +       pmc_config->pm_caps |=3D (PMC_CAP_READ | PMC_CAP_WRITE);
>>>>> +       return (0);
>>>>> +}
>>>>> +
>>>>>  #if    defined(__XSCALE__)
>>>>>=20
>>>>>  static struct pmc_event_alias xscale_aliases[] =3D {
>>>>> @@ -2663,6 +2697,10 @@ pmc_event_names_of_class(enum pmc_class
>>>>>                ev =3D ppc7450_event_table;
>>>>>                count =3D PMC_EVENT_TABLE_SIZE(ppc7450);
>>>>>                break;
>>>>> +       case PMC_CLASS_SOFT:
>>>>> +               ev =3D soft_event_table;
>>>>> +               count =3D soft_event_info.pm_nevent;
>>>>> +               break;
>>>>>        default:
>>>>>                errno =3D EINVAL;
>>>>>                return (-1);
>>>>> @@ -2676,6 +2714,7 @@ pmc_event_names_of_class(enum pmc_class
>>>>>=20
>>>>>        for (;count--; ev++, names++)
>>>>>                *names =3D ev->pm_ev_name;
>>>>> +
>>>>>        return (0);
>>>>>  }
>>>>>=20
>>>>> @@ -2780,11 +2819,34 @@ pmc_init(void)
>>>>>                pmc_class_table[n] =3D NULL;
>>>>>=20
>>>>>        /*
>>>>> +        * Get soft events list.
>>>>> +        */
>>>>> +       soft_event_info.pm_class =3D PMC_CLASS_SOFT;
>>>>> +       if (PMC_CALL(GETDYNEVENTINFO, &soft_event_info) < 0)
>>>>> +               return (pmc_syscall =3D -1);
>>>>> +
>>>>> +       /* Map soft events to static list. */
>>>>> +       for (n =3D 0; n < soft_event_info.pm_nevent; n++) {
>>>>> +               soft_event_table[n].pm_ev_name =3D
>>>>> +                   soft_event_info.pm_events[n].pm_ev_name;
>>>>> +               soft_event_table[n].pm_ev_code =3D
>>>>> +                   soft_event_info.pm_events[n].pm_ev_code;
>>>>> +       }
>>>>> +       soft_class_table_descr.pm_evc_event_table_size =3D \
>>>>> +           soft_event_info.pm_nevent;
>>>>> +       soft_class_table_descr.pm_evc_event_table =3D \
>>>>> +           soft_event_table;
>>>>> +
>>>>> +       /*
>>>>>         * Fill in the class table.
>>>>>         */
>>>>>        n =3D 0;
>>>>> +
>>>>> +       /* Fill soft events information. */
>>>>> +       pmc_class_table[n++] =3D &soft_class_table_descr;
>>>>>  #if defined(__amd64__) || defined(__i386__)
>>>>> -       pmc_class_table[n++] =3D &tsc_class_table_descr;
>>>>> +       if (cpu_info.pm_cputype !=3D PMC_CPU_GENERIC)
>>>>> +               pmc_class_table[n++] =3D &tsc_class_table_descr;
>>>>>=20
>>>>>        /*
>>>>>         * Check if this CPU has fixed function counters.
>>>>> @@ -2867,6 +2929,9 @@ pmc_init(void)
>>>>>                pmc_class_table[n] =3D &p4_class_table_descr;
>>>>>                break;
>>>>>  #endif
>>>>> +       case PMC_CPU_GENERIC:
>>>>> +               PMC_MDEP_INIT(generic);
>>>>> +               break;
>>>>>  #if defined(__XSCALE__)
>>>>>        case PMC_CPU_INTEL_XSCALE:
>>>>>                PMC_MDEP_INIT(xscale);
>>>>> @@ -3035,18 +3100,19 @@ _pmc_name_of_event(enum pmc_event pe, en
>>>>>                evfence =3D xscale_event_table + =
PMC_EVENT_TABLE_SIZE(xscale);
>>>>>        } else if (pe >=3D PMC_EV_MIPS24K_FIRST && pe <=3D =
PMC_EV_MIPS24K_LAST) {
>>>>>                ev =3D mips24k_event_table;
>>>>> -               evfence =3D mips24k_event_table + =
PMC_EVENT_TABLE_SIZE(mips24k
>>>>> -);
>>>>> +               evfence =3D mips24k_event_table + =
PMC_EVENT_TABLE_SIZE(mips24k);
>>>>>        } else if (pe >=3D PMC_EV_OCTEON_FIRST && pe <=3D =
PMC_EV_OCTEON_LAST) {
>>>>>                ev =3D octeon_event_table;
>>>>>                evfence =3D octeon_event_table + =
PMC_EVENT_TABLE_SIZE(octeon);
>>>>>        } else if (pe >=3D PMC_EV_PPC7450_FIRST && pe <=3D =
PMC_EV_PPC7450_LAST) {
>>>>>                ev =3D ppc7450_event_table;
>>>>> -               evfence =3D ppc7450_event_table + =
PMC_EVENT_TABLE_SIZE(ppc7450
>>>>> -);
>>>>> +               evfence =3D ppc7450_event_table + =
PMC_EVENT_TABLE_SIZE(ppc7450);
>>>>>        } else if (pe =3D=3D PMC_EV_TSC_TSC) {
>>>>>                ev =3D tsc_event_table;
>>>>>                evfence =3D tsc_event_table + =
PMC_EVENT_TABLE_SIZE(tsc);
>>>>> +       } else if (pe >=3D PMC_EV_SOFT_FIRST && pe <=3D =
PMC_EV_SOFT_LAST) {
>>>>> +               ev =3D soft_event_table;
>>>>> +               evfence =3D soft_event_table + =
soft_event_info.pm_nevent;
>>>>>        }
>>>>>=20
>>>>>        for (; ev !=3D evfence; ev++)
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.3       Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.3       Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -223,6 +223,8 @@ and
>>>>>  CPUs.
>>>>>  .It Li PMC_CLASS_TSC
>>>>>  The timestamp counter on i386 and amd64 architecture CPUs.
>>>>> +.It Li PMC_CLASS_SOFT
>>>>> +Software events.
>>>>>  .El
>>>>>  .Ss PMC Capabilities
>>>>>  Capabilities of performance monitoring hardware are denoted using
>>>>> @@ -525,6 +527,7 @@ API is
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.atom.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.atom.3  Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.atom.3  Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -1176,6 +1176,7 @@ and the underlying hardware events used
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.core.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.core.3  Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.core.3  Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -792,6 +792,7 @@ may not count some transitions.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.core2.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.core2.3 Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.core2.3 Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -1107,6 +1107,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.corei7.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.corei7.3        Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.corei7.3        Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -1559,6 +1559,7 @@ Counts number of segment register loads.
>>>>>  .Xr pmc.corei7uc 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>>  .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.corei7uc.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.corei7uc.3      Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.corei7uc.3      Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -863,6 +863,7 @@ refreshed or needs to go into a power do
>>>>>  .Xr pmc.corei7 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>>  .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.iaf.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.iaf.3   Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.iaf.3   Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -132,6 +132,7 @@ CPU, use the event specifier
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.k7.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.k7.3    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.k7.3    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -249,6 +249,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.k8.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.k8.3    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.k8.3    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -783,6 +783,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.mips24k.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.mips24k.3       Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.mips24k.3       Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -392,6 +392,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.octeon.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.octeon.3        Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.octeon.3        Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -232,6 +232,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.p4.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.p4.3    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.p4.3    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -1208,6 +1208,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.k8 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.p5.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.p5.3    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.p5.3    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -444,6 +444,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.k8 3 ,
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.p6.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.p6.3    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.p6.3    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -1010,6 +1010,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc.k8 3 ,
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.sandybridge.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.sandybridge.3   Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.sandybridge.3   Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -907,6 +907,7 @@ Split locks in SQ.
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>>  .Xr pmc.sandybridgeuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc.ucf 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.sandybridgeuc.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.sandybridgeuc.3 Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.sandybridgeuc.3 Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -208,6 +208,7 @@ Counts the number of core-outgoing entri
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>>  .Xr pmc.sandybridge 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc.ucf 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>>=20
>>>>> Added: head/lib/libpmc/pmc.soft.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- /dev/null   00:00:00 1970   (empty, because file is newly =
added)
>>>>> +++ head/lib/libpmc/pmc.soft.3  Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -0,0 +1,104 @@
>>>>> +.\" Copyright (c) 2012 Fabien Thomas.  All rights reserved.
>>>>> +.\"
>>>>> +.\" Redistribution and use in source and binary forms, with or =
without
>>>>> +.\" modification, are permitted provided that the following =
conditions
>>>>> +.\" are met:
>>>>> +.\" 1. Redistributions of source code must retain the above =
copyright
>>>>> +.\"    notice, this list of conditions and the following =
disclaimer.
>>>>> +.\" 2. Redistributions in binary form must reproduce the above =
copyright
>>>>> +.\"    notice, this list of conditions and the following =
disclaimer in the
>>>>> +.\"    documentation and/or other materials provided with the =
distribution.
>>>>> +.\"
>>>>> +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS =
IS'' AND
>>>>> +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED =
TO, THE
>>>>> +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A =
PARTICULAR PURPOSE
>>>>> +.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS =
BE LIABLE
>>>>> +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR =
CONSEQUENTIAL
>>>>> +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF =
SUBSTITUTE GOODS
>>>>> +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS =
INTERRUPTION)
>>>>> +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN =
CONTRACT, STRICT
>>>>> +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) =
ARISING IN ANY WAY
>>>>> +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE =
POSSIBILITY OF
>>>>> +.\" SUCH DAMAGE.
>>>>> +.\"
>>>>> +.\" $FreeBSD$
>>>>> +.\"
>>>>> +.Dd March 28, 2012
>>>>> +.Os
>>>>> +.Dt PMC.SOFT 3
>>>>> +.Sh NAME
>>>>> +.Nm pmc.soft
>>>>> +.Nd measurements using software based events
>>>>> +.Sh LIBRARY
>>>>> +.Lb libpmc
>>>>> +.Sh SYNOPSIS
>>>>> +.In pmc.h
>>>>> +.Sh DESCRIPTION
>>>>> +Software events are used to collect various source of software =
events.
>>>>> +.Ss PMC Features
>>>>> +16 sampling counters using software events based on various =
sources.
>>>>> +These PMCs support the following capabilities:
>>>>> +.Bl -column "PMC_CAP_INTERRUPT" "Support"
>>>>> +.It Em Capability Ta Em Support
>>>>> +.It PMC_CAP_CASCADE Ta \&No
>>>>> +.It PMC_CAP_EDGE Ta \&No
>>>>> +.It PMC_CAP_INTERRUPT Ta Yes
>>>>> +.It PMC_CAP_INVERT Ta \&No
>>>>> +.It PMC_CAP_READ Ta Yes
>>>>> +.It PMC_CAP_PRECISE Ta \&No
>>>>> +.It PMC_CAP_SYSTEM Ta Yes
>>>>> +.It PMC_CAP_TAGGING Ta \&No
>>>>> +.It PMC_CAP_THRESHOLD Ta \&No
>>>>> +.It PMC_CAP_USER Ta Yes
>>>>> +.It PMC_CAP_WRITE Ta Yes
>>>>> +.El
>>>>> +.Ss Event Qualifiers
>>>>> +There is no supported event qualifier.
>>>>> +.Pp
>>>>> +The event specifiers supported by software are:
>>>>> +.Bl -tag -width indent
>>>>> +.It Li CLOCK.HARD
>>>>> +Hard clock ticks.
>>>>> +.It Li CLOCK.STAT
>>>>> +Stat clock ticks.
>>>>> +.It Li LOCK.FAILED
>>>>> +Lock acquisition failed.
>>>>> +.It Li PAGE_FAULT.ALL
>>>>> +All page fault type.
>>>>> +.It Li PAGE_FAULT.READ
>>>>> +Read page fault.
>>>>> +.It Li PAGE_FAULT.WRITE
>>>>> +Write page fault.
>>>>> +.El
>>>>> +.Sh SEE ALSO
>>>>> +.Xr pmc 3 ,
>>>>> +.Xr pmc.atom 3 ,
>>>>> +.Xr pmc.core 3 ,
>>>>> +.Xr pmc.iaf 3 ,
>>>>> +.Xr pmc.ucf 3 ,
>>>>> +.Xr pmc.k7 3 ,
>>>>> +.Xr pmc.k8 3 ,
>>>>> +.Xr pmc.p4 3 ,
>>>>> +.Xr pmc.p5 3 ,
>>>>> +.Xr pmc.p6 3 ,
>>>>> +.Xr pmc.corei7 3 ,
>>>>> +.Xr pmc.corei7uc 3 ,
>>>>> +.Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.tsc 3 ,
>>>>> +.Xr pmc_cpuinfo 3 ,
>>>>> +.Xr pmclog 3 ,
>>>>> +.Xr hwpmc 4
>>>>> +.Sh HISTORY
>>>>> +The
>>>>> +.Nm pmc
>>>>> +library first appeared in
>>>>> +.Fx 6.0 .
>>>>> +.Sh AUTHORS
>>>>> +The
>>>>> +.Lb libpmc
>>>>> +library was written by
>>>>> +.An "Joseph Koshy"
>>>>> +.Aq jkoshy@FreeBSD.org .
>>>>> +Software PMC was written by
>>>>> +.An "Fabien Thomas"
>>>>> +.Aq fabient@FreeBSD.org .
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.tsc.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.tsc.3   Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.tsc.3   Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -68,6 +68,7 @@ maps to the TSC.
>>>>>  .Xr pmc.p4 3 ,
>>>>>  .Xr pmc.p5 3 ,
>>>>>  .Xr pmc.p6 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>  .Xr hwpmc 4
>>>>>  .Sh HISTORY
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.ucf.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.ucf.3   Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmc.ucf.3   Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -96,6 +96,7 @@ offset C0H under device number 0 and Fun
>>>>>  .Xr pmc.corei7uc 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>>  .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.westmere.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.westmere.3      Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.westmere.3      Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -1381,6 +1381,7 @@ Counts number of SID integer 64 bit shif
>>>>>  .Xr pmc.corei7 3 ,
>>>>>  .Xr pmc.corei7uc 3 ,
>>>>>  .Xr pmc.westmereuc 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.westmereuc.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.westmereuc.3    Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.westmereuc.3    Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -1066,6 +1066,7 @@ disabled.
>>>>>  .Xr pmc.corei7 3 ,
>>>>>  .Xr pmc.corei7uc 3 ,
>>>>>  .Xr pmc.westmere 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr pmc.tsc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmc.xscale.3
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmc.xscale.3        Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/lib/libpmc/pmc.xscale.3        Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -134,6 +134,7 @@ and the underlying hardware events used.
>>>>>  .Xr pmc 3 ,
>>>>>  .Xr pmc_cpuinfo 3 ,
>>>>>  .Xr pmclog 3 ,
>>>>> +.Xr pmc.soft 3 ,
>>>>>  .Xr hwpmc 4
>>>>>  .Sh HISTORY
>>>>>  The
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmclog.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmclog.c    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmclog.c    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -369,6 +369,12 @@ pmclog_get_event(void *cookie, char **da
>>>>>                    =3D=3D NULL)
>>>>>                        goto error;
>>>>>                break;
>>>>> +       case PMCLOG_TYPE_PMCALLOCATEDYN:
>>>>> +               PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_pmcid);
>>>>> +               PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_event);
>>>>> +               PMCLOG_READ32(le,ev->pl_u.pl_ad.pl_flags);
>>>>> +               =
PMCLOG_READSTRING(le,ev->pl_u.pl_ad.pl_evname,PMC_NAME_MAX);
>>>>> +               break;
>>>>>        case PMCLOG_TYPE_PMCATTACH:
>>>>>                PMCLOG_GET_PATHLEN(pathlen,evlen,pmclog_pmcattach);
>>>>>                PMCLOG_READ32(le,ev->pl_u.pl_t.pl_pmcid);
>>>>>=20
>>>>> Modified: head/lib/libpmc/pmclog.h
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/lib/libpmc/pmclog.h    Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/lib/libpmc/pmclog.h    Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -88,6 +88,13 @@ struct pmclog_ev_pmcallocate {
>>>>>        pmc_id_t        pl_pmcid;
>>>>>  };
>>>>>=20
>>>>> +struct pmclog_ev_pmcallocatedyn {
>>>>> +       uint32_t        pl_event;
>>>>> +       char            pl_evname[PMC_NAME_MAX];
>>>>> +       uint32_t        pl_flags;
>>>>> +       pmc_id_t        pl_pmcid;
>>>>> +};
>>>>> +
>>>>>  struct pmclog_ev_pmcattach {
>>>>>        pmc_id_t        pl_pmcid;
>>>>>        pid_t           pl_pid;
>>>>> @@ -146,6 +153,7 @@ struct pmclog_ev {
>>>>>                struct pmclog_ev_map_out        pl_mo;
>>>>>                struct pmclog_ev_pcsample       pl_s;
>>>>>                struct pmclog_ev_pmcallocate    pl_a;
>>>>> +               struct pmclog_ev_pmcallocatedyn pl_ad;
>>>>>                struct pmclog_ev_pmcattach      pl_t;
>>>>>                struct pmclog_ev_pmcdetach      pl_d;
>>>>>                struct pmclog_ev_proccsw        pl_c;
>>>>>=20
>>>>> Modified: head/sys/amd64/amd64/trap.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/amd64/amd64/trap.c Wed Mar 28 20:49:11 2012        =
(r233627)
>>>>> +++ head/sys/amd64/amd64/trap.c Wed Mar 28 20:58:30 2012        =
(r233628)
>>>>> @@ -71,6 +71,9 @@ __FBSDID("$FreeBSD$");
>>>>>  #include <sys/vmmeter.h>
>>>>>  #ifdef HWPMC_HOOKS
>>>>>  #include <sys/pmckern.h>
>>>>> +PMC_SOFT_DEFINE( , , page_fault, all);
>>>>> +PMC_SOFT_DEFINE( , , page_fault, read);
>>>>> +PMC_SOFT_DEFINE( , , page_fault, write);
>>>>>  #endif
>>>>>=20
>>>>>  #include <vm/vm.h>
>>>>> @@ -743,8 +746,20 @@ trap_pfault(frame, usermode)
>>>>>                 */
>>>>>                rv =3D vm_fault(map, va, ftype, VM_FAULT_NORMAL);
>>>>>        }
>>>>> -       if (rv =3D=3D KERN_SUCCESS)
>>>>> +       if (rv =3D=3D KERN_SUCCESS) {
>>>>> +#ifdef HWPMC_HOOKS
>>>>> +               if (ftype =3D=3D VM_PROT_READ || ftype =3D=3D =
VM_PROT_WRITE) {
>>>>> +                       PMC_SOFT_CALL_TF( , , page_fault, all, =
frame);
>>>>> +                       if (ftype =3D=3D VM_PROT_READ)
>>>>> +                               PMC_SOFT_CALL_TF( , , page_fault, =
read,
>>>>> +                                   frame);
>>>>> +                       else
>>>>> +                               PMC_SOFT_CALL_TF( , , page_fault, =
write,
>>>>> +                                   frame);
>>>>> +               }
>>>>> +#endif
>>>>>                return (0);
>>>>> +       }
>>>>>  nogo:
>>>>>        if (!usermode) {
>>>>>                if (td->td_intr_nesting_level =3D=3D 0 &&
>>>>>=20
>>>>> Modified: head/sys/amd64/include/pmc_mdep.h
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/amd64/include/pmc_mdep.h   Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/amd64/include/pmc_mdep.h   Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -50,13 +50,13 @@ struct pmc_mdep;
>>>>>  * measurement architecture have PMCs of the following classes: =
TSC,
>>>>>  * IAF, IAP, UCF and UCP.
>>>>>  */
>>>>> -#define        PMC_MDEP_CLASS_INDEX_TSC        0
>>>>> -#define        PMC_MDEP_CLASS_INDEX_K8         1
>>>>> -#define        PMC_MDEP_CLASS_INDEX_P4         1
>>>>> -#define        PMC_MDEP_CLASS_INDEX_IAP        1
>>>>> -#define        PMC_MDEP_CLASS_INDEX_IAF        2
>>>>> -#define        PMC_MDEP_CLASS_INDEX_UCP        3
>>>>> -#define        PMC_MDEP_CLASS_INDEX_UCF        4
>>>>> +#define        PMC_MDEP_CLASS_INDEX_TSC        1
>>>>> +#define        PMC_MDEP_CLASS_INDEX_K8         2
>>>>> +#define        PMC_MDEP_CLASS_INDEX_P4         2
>>>>> +#define        PMC_MDEP_CLASS_INDEX_IAP        2
>>>>> +#define        PMC_MDEP_CLASS_INDEX_IAF        3
>>>>> +#define        PMC_MDEP_CLASS_INDEX_UCP        4
>>>>> +#define        PMC_MDEP_CLASS_INDEX_UCF        5
>>>>>=20
>>>>>  /*
>>>>>  * On the amd64 platform we support the following PMCs.
>>>>> @@ -119,6 +119,15 @@ union pmc_md_pmc {
>>>>>=20
>>>>>  #define        PMC_IN_USERSPACE(va) ((va) <=3D =
VM_MAXUSER_ADDRESS)
>>>>>=20
>>>>> +/* Build a fake kernel trapframe from current instruction =
pointer. */
>>>>> +#define PMC_FAKE_TRAPFRAME(TF)                                    =
     \
>>>>> +       do {                                                       =
     \
>>>>> +       (TF)->tf_cs =3D 0; (TF)->tf_rflags =3D 0;                  =
         \
>>>>> +       __asm __volatile("movq %%rbp,%0" : "=3Dr" ((TF)->tf_rbp)); =
       \
>>>>> +       __asm __volatile("movq %%rsp,%0" : "=3Dr" ((TF)->tf_rsp)); =
       \
>>>>> +       __asm __volatile("call 1f \n\t1: pop %0" : =
"=3Dr"((TF)->tf_rip)); \
>>>>> +       } while (0)
>>>>> +
>>>>>  /*
>>>>>  * Prototypes
>>>>>  */
>>>>>=20
>>>>> Modified: head/sys/arm/include/pmc_mdep.h
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/arm/include/pmc_mdep.h     Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/arm/include/pmc_mdep.h     Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -29,7 +29,7 @@
>>>>>  #ifndef _MACHINE_PMC_MDEP_H_
>>>>>  #define        _MACHINE_PMC_MDEP_H_
>>>>>=20
>>>>> -#define        PMC_MDEP_CLASS_INDEX_XSCALE     0
>>>>> +#define        PMC_MDEP_CLASS_INDEX_XSCALE     1
>>>>>  /*
>>>>>  * On the ARM platform we support the following PMCs.
>>>>>  *
>>>>>=20
>>>>> Modified: head/sys/conf/files
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/conf/files Wed Mar 28 20:49:11 2012        (r233627)
>>>>> +++ head/sys/conf/files Wed Mar 28 20:58:30 2012        (r233628)
>>>>> @@ -1260,6 +1260,7 @@ dev/hme/if_hme_sbus.c             optional =
hme sbus
>>>>>  dev/hptiop/hptiop.c            optional hptiop scbus
>>>>>  dev/hwpmc/hwpmc_logging.c      optional hwpmc
>>>>>  dev/hwpmc/hwpmc_mod.c          optional hwpmc
>>>>> +dev/hwpmc/hwpmc_soft.c         optional hwpmc
>>>>>  dev/ichsmb/ichsmb.c            optional ichsmb
>>>>>  dev/ichsmb/ichsmb_pci.c                optional ichsmb pci
>>>>>  dev/ida/ida.c                  optional ida
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_amd.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_amd.c      Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_amd.c      Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -687,7 +687,8 @@ amd_intr(int cpu, struct trapframe *tf)
>>>>>                wrmsr(perfctr, =
AMD_RELOAD_COUNT_TO_PERFCTR_VALUE(v));
>>>>>=20
>>>>>                /* Restart the counter if logging succeeded. */
>>>>> -               error =3D pmc_process_interrupt(cpu, pm, tf, =
TRAPF_USERMODE(tf));
>>>>> +               error =3D pmc_process_interrupt(cpu, PMC_HR, pm, =
tf,
>>>>> +                   TRAPF_USERMODE(tf));
>>>>>                if (error =3D=3D 0)
>>>>>                        wrmsr(evsel, config | AMD_PMC_ENABLE);
>>>>>        }
>>>>> @@ -874,7 +875,7 @@ amd_pcpu_fini(struct pmc_mdep *md, int c
>>>>>  struct pmc_mdep *
>>>>>  pmc_amd_initialize(void)
>>>>>  {
>>>>> -       int classindex, error, i, nclasses, ncpus;
>>>>> +       int classindex, error, i, ncpus;
>>>>>        struct pmc_classdep *pcd;
>>>>>        enum pmc_cputype cputype;
>>>>>        struct pmc_mdep *pmc_mdep;
>>>>> @@ -926,12 +927,9 @@ pmc_amd_initialize(void)
>>>>>         * These processors have two classes of PMCs: the TSC and
>>>>>         * programmable PMCs.
>>>>>         */
>>>>> -       nclasses =3D 2;
>>>>> -       pmc_mdep =3D malloc(sizeof(struct pmc_mdep) + nclasses * =
sizeof (struct pmc_classdep),
>>>>> -           M_PMC, M_WAITOK|M_ZERO);
>>>>> +       pmc_mdep =3D pmc_mdep_alloc(2);
>>>>>=20
>>>>>        pmc_mdep->pmd_cputype =3D cputype;
>>>>> -       pmc_mdep->pmd_nclass  =3D nclasses;
>>>>>=20
>>>>>        ncpus =3D pmc_cpu_max();
>>>>>=20
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_core.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_core.c     Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_core.c     Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -2239,7 +2239,7 @@ core_intr(int cpu, struct trapframe *tf)
>>>>>                if (pm->pm_state !=3D PMC_STATE_RUNNING)
>>>>>                        continue;
>>>>>=20
>>>>> -               error =3D pmc_process_interrupt(cpu, pm, tf,
>>>>> +               error =3D pmc_process_interrupt(cpu, PMC_HR, pm, =
tf,
>>>>>                    TRAPF_USERMODE(tf));
>>>>>=20
>>>>>                v =3D pm->pm_sc.pm_reloadcount;
>>>>> @@ -2326,7 +2326,7 @@ core2_intr(int cpu, struct trapframe *tf
>>>>>                    !PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
>>>>>                        continue;
>>>>>=20
>>>>> -               error =3D pmc_process_interrupt(cpu, pm, tf,
>>>>> +               error =3D pmc_process_interrupt(cpu, PMC_HR, pm, =
tf,
>>>>>                    TRAPF_USERMODE(tf));
>>>>>                if (error)
>>>>>                        intrenable &=3D ~flag;
>>>>> @@ -2354,7 +2354,7 @@ core2_intr(int cpu, struct trapframe *tf
>>>>>                    !PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm)))
>>>>>                        continue;
>>>>>=20
>>>>> -               error =3D pmc_process_interrupt(cpu, pm, tf,
>>>>> +               error =3D pmc_process_interrupt(cpu, PMC_HR, pm, =
tf,
>>>>>                    TRAPF_USERMODE(tf));
>>>>>                if (error)
>>>>>                        intrenable &=3D ~flag;
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_intel.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_intel.c    Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_intel.c    Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -162,12 +162,10 @@ pmc_intel_initialize(void)
>>>>>                return (NULL);
>>>>>        }
>>>>>=20
>>>>> -       pmc_mdep =3D malloc(sizeof(struct pmc_mdep) + nclasses *
>>>>> -           sizeof(struct pmc_classdep), M_PMC, M_WAITOK|M_ZERO);
>>>>> +       /* Allocate base class and initialize machine dependent =
struct */
>>>>> +       pmc_mdep =3D pmc_mdep_alloc(nclasses);
>>>>>=20
>>>>>        pmc_mdep->pmd_cputype    =3D cputype;
>>>>> -       pmc_mdep->pmd_nclass     =3D nclasses;
>>>>> -
>>>>>        pmc_mdep->pmd_switch_in  =3D intel_switch_in;
>>>>>        pmc_mdep->pmd_switch_out =3D intel_switch_out;
>>>>>=20
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_logging.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_logging.c  Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_logging.c  Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -129,6 +129,7 @@ static struct mtx pmc_kthread_mtx;  /* sl
>>>>>=20
>>>>>  /* Emit a string.  Caution: does NOT update _le, so needs to be =
last */
>>>>>  #define        PMCLOG_EMITSTRING(S,L)  do { bcopy((S), _le, (L)); =
} while (0)
>>>>> +#define        PMCLOG_EMITNULLSTRING(L) do { bzero(_le, (L)); } =
while (0)
>>>>>=20
>>>>>  #define        PMCLOG_DESPATCH(PO)                                =
             \
>>>>>                pmclog_release((PO));                               =
    \
>>>>> @@ -835,16 +836,33 @@ void
>>>>>  pmclog_process_pmcallocate(struct pmc *pm)
>>>>>  {
>>>>>        struct pmc_owner *po;
>>>>> +       struct pmc_soft *ps;
>>>>>=20
>>>>>        po =3D pm->pm_owner;
>>>>>=20
>>>>>        PMCDBG(LOG,ALL,1, "pm=3D%p", pm);
>>>>>=20
>>>>> -       PMCLOG_RESERVE(po, PMCALLOCATE, sizeof(struct =
pmclog_pmcallocate));
>>>>> -       PMCLOG_EMIT32(pm->pm_id);
>>>>> -       PMCLOG_EMIT32(pm->pm_event);
>>>>> -       PMCLOG_EMIT32(pm->pm_flags);
>>>>> -       PMCLOG_DESPATCH(po);
>>>>> +       if (PMC_TO_CLASS(pm) =3D=3D PMC_CLASS_SOFT) {
>>>>> +               PMCLOG_RESERVE(po, PMCALLOCATEDYN,
>>>>> +                   sizeof(struct pmclog_pmcallocatedyn));
>>>>> +               PMCLOG_EMIT32(pm->pm_id);
>>>>> +               PMCLOG_EMIT32(pm->pm_event);
>>>>> +               PMCLOG_EMIT32(pm->pm_flags);
>>>>> +               ps =3D pmc_soft_ev_acquire(pm->pm_event);
>>>>> +               if (ps !=3D NULL)
>>>>> +                       =
PMCLOG_EMITSTRING(ps->ps_ev.pm_ev_name,PMC_NAME_MAX);
>>>>> +               else
>>>>> +                       PMCLOG_EMITNULLSTRING(PMC_NAME_MAX);
>>>>> +               pmc_soft_ev_release(ps);
>>>>> +               PMCLOG_DESPATCH(po);
>>>>> +       } else {
>>>>> +               PMCLOG_RESERVE(po, PMCALLOCATE,
>>>>> +                   sizeof(struct pmclog_pmcallocate));
>>>>> +               PMCLOG_EMIT32(pm->pm_id);
>>>>> +               PMCLOG_EMIT32(pm->pm_event);
>>>>> +               PMCLOG_EMIT32(pm->pm_flags);
>>>>> +               PMCLOG_DESPATCH(po);
>>>>> +       }
>>>>>  }
>>>>>=20
>>>>>  void
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_mips.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_mips.c     Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_mips.c     Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -287,7 +287,7 @@ mips_pmc_intr(int cpu, struct trapframe
>>>>>                retval =3D 1;
>>>>>                if (pm->pm_state !=3D PMC_STATE_RUNNING)
>>>>>                        continue;
>>>>> -               error =3D pmc_process_interrupt(cpu, pm, tf,
>>>>> +               error =3D pmc_process_interrupt(cpu, PMC_HR, pm, =
tf,
>>>>>                    TRAPF_USERMODE(tf));
>>>>>                if (error) {
>>>>>                        /* Clear/disable the relevant counter */
>>>>>=20
>>>>> Modified: head/sys/dev/hwpmc/hwpmc_mod.c
>>>>> =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D
>>>>> --- head/sys/dev/hwpmc/hwpmc_mod.c      Wed Mar 28 20:49:11 2012   =
     (r233627)
>>>>> +++ head/sys/dev/hwpmc/hwpmc_mod.c      Wed Mar 28 20:58:30 2012   =
     (r233628)
>>>>> @@ -70,6 +70,8 @@ __FBSDID("$FreeBSD$");
>>>>>  #include <vm/vm_map.h>
>>>>>  #include <vm/vm_object.h>
>>>>>=20
>>>>> +#include "hwpmc_soft.h"
>>>>> +
>>>>>  /*
>>>>>  * Types
>>>>>  */
>>>>> @@ -182,7 +184,7 @@ static int  pmc_attach_one_process(struct
>>>>>  static int     pmc_can_allocate_rowindex(struct proc *p, unsigned =
int ri,
>>>>>     int cpu);
>>>>>  static int     pmc_can_attach(struct pmc *pm, struct proc *p);
>>>>> -static void    pmc_capture_user_callchain(int cpu, struct =
trapframe *tf);
>>>>> +static void    pmc_capture_user_callchain(int cpu, int soft, =
struct trapframe *tf);
>>>>>  static void    pmc_cleanup(void);
>>>>>  static int     pmc_detach_process(struct proc *p, struct pmc =
*pm);
>>>>>  static int     pmc_detach_one_process(struct proc *p, struct pmc =
*pm,
>>>>> @@ -206,7 +208,7 @@ static void pmc_process_csw_out(struct t
>>>>>  static void    pmc_process_exit(void *arg, struct proc *p);
>>>>>  static void    pmc_process_fork(void *arg, struct proc *p1,
>>>>>     struct proc *p2, int n);
>>>>> -static void    pmc_process_samples(int cpu);
>>>>> +static void    pmc_process_samples(int cpu, int soft);
>>>>>  static void    pmc_release_pmc_descriptor(struct pmc *pmc);
>>>>>  static void    pmc_remove_owner(struct pmc_owner *po);
>>>>>  static void    pmc_remove_process_descriptor(struct pmc_process =
*pp);
>>>>> @@ -218,12 +220,16 @@ static int        pmc_stop(struct pmc *pm);
>>>>>  static int     pmc_syscall_handler(struct thread *td, void =
*syscall_args);
>>>>>  static void    pmc_unlink_target_process(struct pmc *pmc,
>>>>>     struct pmc_process *pp);
>>>>> +static int generic_switch_in(struct pmc_cpu *pc, struct =
pmc_process *pp);
>>>>> +static int generic_switch_out(struct pmc_cpu *pc, struct =
pmc_process *pp);
>>>>> +static struct pmc_mdep *pmc_generic_cpu_initialize(void);
>>>>> +static void pmc_generic_cpu_finalize(struct pmc_mdep *md);
>>>>>=20
>>>>>  /*
>>>>>  * Kernel tunables and sysctl(8) interface.
>>>>>  */
>>>>>=20
>>>>> -SYSCTL_NODE(_kern, OID_AUTO, hwpmc, CTLFLAG_RW, 0, "HWPMC =
parameters");
>>>>> +SYSCTL_DECL(_kern_hwpmc);
>>>>>=20
>>>>>  static int pmc_callchaindepth =3D PMC_CALLCHAIN_DEPTH;
>>>>>  TUNABLE_INT(PMC_SYSCTL_NAME_PREFIX "callchaindepth", =
&pmc_callchaindepth);
>>>>> @@ -1833,7 +1839,9 @@ const char *pmc_hooknames[] =3D {
>>>>>        "KLDUNLOAD",
>>>>>        "MMAP",
>>>>>        "MUNMAP",
>>>>> -       "CALLCHAIN"
>>>>> +       "CALLCHAIN-NMI",
>>>>> +       "CALLCHAIN-SOFT",
>>>>> +       "SOFTSAMPLING"
>>>>>  };
>>>>>  #endif
>>>>>=20
>>>>> @@ -1992,7 +2000,8 @@ pmc_hook_handler(struct thread *td, int
>>>>>                 * lose the interrupt sample.
>>>>>                 */
>>>>>                CPU_CLR_ATOMIC(PCPU_GET(cpuid), &pmc_cpumask);
>>>>> -               pmc_process_samples(PCPU_GET(cpuid));
>>>>> +               pmc_process_samples(PCPU_GET(cpuid), PMC_HR);
>>>>> +               pmc_process_samples(PCPU_GET(cpuid), PMC_SR);
>>>>>                break;
>>>>>=20
>>>>>=20
>>>>> @@ -2022,11 +2031,30 @@ pmc_hook_handler(struct thread *td, int
>>>>>                 */
>>>>>                KASSERT(td =3D=3D curthread, ("[pmc,%d] td !=3D =
curthread",
>>>>>                    __LINE__));
>>>>> -               pmc_capture_user_callchain(PCPU_GET(cpuid),
>>>>> +
>>>>> +               pmc_capture_user_callchain(PCPU_GET(cpuid), =
PMC_HR,
>>>>>                    (struct trapframe *) arg);
>>>>>                td->td_pflags &=3D ~TDP_CALLCHAIN;
>>>>>                break;
>>>>>=20
>>>>> +       case PMC_FN_USER_CALLCHAIN_SOFT:
>>>>> +               /*
>>>>> +                * Record a call chain.
>>>>> +                */
>>>>> +               KASSERT(td =3D=3D curthread, ("[pmc,%d] td !=3D =
curthread",
>>>>> +                   __LINE__));
>>>>> +               pmc_capture_user_callchain(PCPU_GET(cpuid), =
PMC_SR,
>>>>> +                   (struct trapframe *) arg);
>>>>> +               td->td_pflags &=3D ~TDP_CALLCHAIN;
>>>>> +               break;
>>>>> +
>>>>> +       case PMC_FN_SOFT_SAMPLING:
>>>>> +               /*
>>>>> +                * Call soft PMC sampling intr.
>>>>> +                */
>>>>> +               pmc_soft_intr((struct pmckern_soft *) arg);
>>>>> +               break;
>>>>> +
>>>>>        default:
>>>>>  #ifdef DEBUG
>>>>>                KASSERT(0, ("[pmc,%d] unknown hook %d\n", __LINE__, =
function));
>>>>> @@ -2221,18 +2249,17 @@ pmc_destroy_pmc_descriptor(struct pmc *p
>>>>>  static void
>>>>>  pmc_wait_for_pmc_idle(struct pmc *pm)
>>>>>  {
>>>>> -#ifdef DEBUG
>>>>> +#ifdef DEBUG
>>>>>        volatile int maxloop;
>>>>>=20
>>>>>        maxloop =3D 100 * pmc_cpu_max();
>>>>>  #endif
>>>>> -
>>>>>        /*
>>>>>         * Loop (with a forced context switch) till the PMC's =
runcount
>>>>>         * comes down to zero.
>>>>>         */
>>>>>        while (atomic_load_acq_32(&pm->pm_runcount) > 0) {
>>>>> -#ifdef DEBUG
>>>>> +#ifdef DEBUG
>>>>>                maxloop--;
>>>>>                KASSERT(maxloop > 0,
>>>>>                    ("[pmc,%d] (ri%d, rc%d) waiting too long for "
>>>>> @@ -2972,6 +2999,53 @@ pmc_syscall_handler(struct thread *td, v
>>>>>        }
>>>>>        break;
>>>>>=20
>>>>> +       /*
>>>>> +        * Retrieve soft events list.
>>>>> +        */
>>>>> +       case PMC_OP_GETDYNEVENTINFO:
>>>>> +       {
>>>>> +               enum pmc_class                  cl;
>>>>> +               enum pmc_event                  ev;
>>>>> +               struct pmc_op_getdyneventinfo   *gei;
>>>>> +               struct pmc_dyn_event_descr      dev;
>>>>> +               struct pmc_soft                 *ps;
>>>>> +               uint32_t                        nevent;
>>>>> +
>>>>> +               sx_assert(&pmc_sx, SX_LOCKED);
>>>>> +
>>>>> +               gei =3D (struct pmc_op_getdyneventinfo *) arg;
>>>>> +
>>>>> +               if ((error =3D copyin(&gei->pm_class, &cl, =
sizeof(cl))) !=3D 0)
>>>>> +                       break;
>>>>> +
>>>>> +               /* Only SOFT class is dynamic. */
>>>>> +               if (cl !=3D PMC_CLASS_SOFT) {
>>>>> +                       error =3D EINVAL;
>>>>> +                       break;
>>>>> +               }
>>>>> +
>>>>> +               nevent =3D 0;
>>>>> +               for (ev =3D PMC_EV_SOFT_FIRST; ev <=3D =
PMC_EV_SOFT_LAST; ev++) {
>>>>> +                       ps =3D pmc_soft_ev_acquire(ev);
>>>>> +                       if (ps =3D=3D NULL)
>>>>> +                               continue;
>>>>> +                       bcopy(&ps->ps_ev, &dev, sizeof(dev));
>>>>> +                       pmc_soft_ev_release(ps);
>>>>> +
>>>>> +                       error =3D copyout(&dev,
>>>>> +                           &gei->pm_events[nevent],
>>>>> +                           sizeof(struct pmc_dyn_event_descr));
>>>>> +                       if (error !=3D 0)
>>>>> +                               break;
>>>>> +                       nevent++;
>>>>> +               }
>>>>> +               if (error !=3D 0)
>>>>> +                       break;
>>>>> +
>>>>> +               error =3D copyout(&nevent, &gei->pm_nevent,
>>>>>=20
>>>>> *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
>>>=20
>>>=20
>>>=20
>>> --
>>> Monthadar Al Jaberi
>>> <RSPRO_USB_PROD>
>>=20
>>=20
>=20
>=20
>=20
> --=20
> Monthadar Al Jaberi


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