diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-01-18 09:25:36 +0200 |
|---|---|---|
| committer | Moyano, Gabriel <gabriel.moyano@dlr.de> | 2021-11-16 09:48:22 +0100 |
| commit | c3fc52ec069e25de3168c6c6c15698cc55c711ec (patch) | |
| tree | 739f93e912dd0b975add6709c72ca50329f31dff | |
| parent | Changes that improve DTrace FBT reliability (diff) | |
| download | rtems-c3fc52ec069e25de3168c6c6c15698cc55c711ec.tar.bz2 | |
Add ddb 'show timecounter' command.
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
| -rw-r--r-- | cpukit/score/src/kern_tc.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/cpukit/score/src/kern_tc.c b/cpukit/score/src/kern_tc.c index 6df3894caf..6fbb59038a 100644 --- a/cpukit/score/src/kern_tc.c +++ b/cpukit/score/src/kern_tc.c @@ -2447,7 +2447,6 @@ tc_fill_vdso_timehands(struct vdso_timehands *vdso_th) enabled = 0; return (enabled); } -#endif /* __rtems__ */ #ifdef COMPAT_FREEBSD32 uint32_t @@ -2474,3 +2473,34 @@ 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 +#endif /* __rtems__ */ |