Date: Fri, 14 Apr 2017 14:44:00 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r316840 - in stable/11/sys: kern sys Message-ID: <201704141444.v3EEi0sB074684@repo.freebsd.org>
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Author: avg Date: Fri Apr 14 14:44:00 2017 New Revision: 316840 URL: https://svnweb.freebsd.org/changeset/base/316840 Log: MFC r315851: move thread switch tracing from mi_switch to sched_switch Modified: stable/11/sys/kern/kern_synch.c stable/11/sys/kern/sched_4bsd.c stable/11/sys/kern/sched_ule.c stable/11/sys/sys/proc.h Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/kern/kern_synch.c ============================================================================== --- stable/11/sys/kern/kern_synch.c Fri Apr 14 14:41:31 2017 (r316839) +++ stable/11/sys/kern/kern_synch.c Fri Apr 14 14:44:00 2017 (r316840) @@ -66,13 +66,6 @@ __FBSDID("$FreeBSD$"); #include <machine/cpu.h> -#define KTDSTATE(td) \ - (((td)->td_inhibitors & TDI_SLEEPING) != 0 ? "sleep" : \ - ((td)->td_inhibitors & TDI_SUSPENDED) != 0 ? "suspended" : \ - ((td)->td_inhibitors & TDI_SWAPPED) != 0 ? "swapped" : \ - ((td)->td_inhibitors & TDI_LOCK) != 0 ? "blocked" : \ - ((td)->td_inhibitors & TDI_IWAIT) != 0 ? "iwait" : "yielding") - static void synch_setup(void *dummy); SYSINIT(synch_setup, SI_SUB_KICK_SCHEDULER, SI_ORDER_FIRST, synch_setup, NULL); @@ -437,20 +430,8 @@ mi_switch(int flags, struct thread *newt PCPU_SET(switchticks, ticks); CTR4(KTR_PROC, "mi_switch: old thread %ld (td_sched %p, pid %ld, %s)", td->td_tid, td_get_sched(td), td->td_proc->p_pid, td->td_name); -#if (KTR_COMPILE & KTR_SCHED) != 0 - if (TD_IS_IDLETHREAD(td)) - KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "idle", - "prio:%d", td->td_priority); - else - KTR_STATE3(KTR_SCHED, "thread", sched_tdname(td), KTDSTATE(td), - "prio:%d", td->td_priority, "wmesg:\"%s\"", td->td_wmesg, - "lockname:\"%s\"", td->td_lockname); -#endif SDT_PROBE0(sched, , , preempt); sched_switch(td, newtd, flags); - KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running", - "prio:%d", td->td_priority); - CTR4(KTR_PROC, "mi_switch: new thread %ld (td_sched %p, pid %ld, %s)", td->td_tid, td_get_sched(td), td->td_proc->p_pid, td->td_name); Modified: stable/11/sys/kern/sched_4bsd.c ============================================================================== --- stable/11/sys/kern/sched_4bsd.c Fri Apr 14 14:41:31 2017 (r316839) +++ stable/11/sys/kern/sched_4bsd.c Fri Apr 14 14:44:00 2017 (r316840) @@ -1013,6 +1013,16 @@ sched_switch(struct thread *td, struct t MPASS(newtd->td_lock == &sched_lock); } +#if (KTR_COMPILE & KTR_SCHED) != 0 + if (TD_IS_IDLETHREAD(td)) + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "idle", + "prio:%d", td->td_priority); + else + KTR_STATE3(KTR_SCHED, "thread", sched_tdname(td), KTDSTATE(td), + "prio:%d", td->td_priority, "wmesg:\"%s\"", td->td_wmesg, + "lockname:\"%s\"", td->td_lockname); +#endif + if (td != newtd) { #ifdef HWPMC_HOOKS if (PMC_PROC_IS_USING_PMCS(td->td_proc)) @@ -1061,6 +1071,9 @@ sched_switch(struct thread *td, struct t } else SDT_PROBE0(sched, , , remain__cpu); + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running", + "prio:%d", td->td_priority); + #ifdef SMP if (td->td_flags & TDF_IDLETD) CPU_SET(PCPU_GET(cpuid), &idle_cpus_mask); Modified: stable/11/sys/kern/sched_ule.c ============================================================================== --- stable/11/sys/kern/sched_ule.c Fri Apr 14 14:41:31 2017 (r316839) +++ stable/11/sys/kern/sched_ule.c Fri Apr 14 14:44:00 2017 (r316840) @@ -1938,6 +1938,17 @@ sched_switch(struct thread *td, struct t mtx = thread_lock_block(td); tdq_load_rem(tdq, td); } + +#if (KTR_COMPILE & KTR_SCHED) != 0 + if (TD_IS_IDLETHREAD(td)) + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "idle", + "prio:%d", td->td_priority); + else + KTR_STATE3(KTR_SCHED, "thread", sched_tdname(td), KTDSTATE(td), + "prio:%d", td->td_priority, "wmesg:\"%s\"", td->td_wmesg, + "lockname:\"%s\"", td->td_lockname); +#endif + /* * We enter here with the thread blocked and assigned to the * appropriate cpu run-queue or sleep-queue and with the current @@ -1988,6 +1999,10 @@ sched_switch(struct thread *td, struct t thread_unblock_switch(td, mtx); SDT_PROBE0(sched, , , remain__cpu); } + + KTR_STATE1(KTR_SCHED, "thread", sched_tdname(td), "running", + "prio:%d", td->td_priority); + /* * Assert that all went well and return. */ Modified: stable/11/sys/sys/proc.h ============================================================================== --- stable/11/sys/sys/proc.h Fri Apr 14 14:41:31 2017 (r316839) +++ stable/11/sys/sys/proc.h Fri Apr 14 14:44:00 2017 (r316840) @@ -487,6 +487,12 @@ do { \ #define TD_ON_UPILOCK(td) ((td)->td_flags & TDF_UPIBLOCKED) #define TD_IS_IDLETHREAD(td) ((td)->td_flags & TDF_IDLETD) +#define KTDSTATE(td) \ + (((td)->td_inhibitors & TDI_SLEEPING) != 0 ? "sleep" : \ + ((td)->td_inhibitors & TDI_SUSPENDED) != 0 ? "suspended" : \ + ((td)->td_inhibitors & TDI_SWAPPED) != 0 ? "swapped" : \ + ((td)->td_inhibitors & TDI_LOCK) != 0 ? "blocked" : \ + ((td)->td_inhibitors & TDI_IWAIT) != 0 ? "iwait" : "yielding") #define TD_SET_INHIB(td, inhib) do { \ (td)->td_state = TDS_INHIBITED; \
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