Date: Tue, 9 Feb 2021 08:36:55 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: a7158b84dfaa - stable/12 - Add ddb 'show timecounter' command. Message-ID: <202102090836.1198athi013942@gitrepo.freebsd.org>
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The branch stable/12 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=a7158b84dfaa3adadb939e12b6760de73ad0d003 commit a7158b84dfaa3adadb939e12b6760de73ad0d003 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-01-18 07:25:36 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-02-09 08:36:08 +0000 Add ddb 'show timecounter' command. (cherry picked from commit 36bcc44e2c578dd016940c9c5068c348e1d77f99) --- sys/kern/kern_tc.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/sys/kern/kern_tc.c b/sys/kern/kern_tc.c index 745c5e2fc485..f916cbc75ac8 100644 --- a/sys/kern/kern_tc.c +++ b/sys/kern/kern_tc.c @@ -2165,3 +2165,33 @@ tc_fill_vdso_timehands32(struct vdso_timehands32 *vdso_th32) return (enabled); } #endif + +#include "opt_ddb.h" +#ifdef DDB +#include <ddb/ddb.h> + +DB_SHOW_COMMAND(timecounter, db_show_timecounter) +{ + struct timehands *th; + struct timecounter *tc; + u_int val1, val2; + + th = timehands; + tc = th->th_counter; + val1 = tc->tc_get_timecount(tc); + __compiler_membar(); + val2 = tc->tc_get_timecount(tc); + + db_printf("timecounter %p %s\n", tc, tc->tc_name); + db_printf(" mask %#x freq %ju qual %d flags %#x priv %p\n", + tc->tc_counter_mask, (uintmax_t)tc->tc_frequency, tc->tc_quality, + tc->tc_flags, tc->tc_priv); + db_printf(" val %#x %#x\n", val1, val2); + db_printf("timehands adj %#jx scale %#jx ldelta %d off_cnt %d gen %d\n", + (uintmax_t)th->th_adjustment, (uintmax_t)th->th_scale, + th->th_large_delta, th->th_offset_count, th->th_generation); + db_printf(" offset %jd %jd boottime %jd %jd\n", + (intmax_t)th->th_offset.sec, (uintmax_t)th->th_offset.frac, + (intmax_t)th->th_boottime.sec, (uintmax_t)th->th_boottime.frac); +} +#endif
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