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ddb(4): Add sleepchains to "show allchains"

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Reported by:	markj
Reviewed by:	markj
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D8320
This commit is contained in:
Conrad Meyer 2016-10-22 18:02:20 +00:00
parent 38d3251c3d
commit 8798ef0679
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=307780
1 changed files with 7 additions and 0 deletions
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7
sys/kern/subr_turnstile.c
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@ -157,6 +157,9 @@ static void init_turnstile0(void *dummy);
#ifdef TURNSTILE_PROFILING
static void init_turnstile_profiling(void *arg);
#endif
#ifdef DDB
static void print_sleepchain(struct thread *td, const char *prefix);
#endif
static void propagate_priority(struct thread *td);
static int turnstile_adjust_thread(struct turnstile *ts,
struct thread *td);
@ -1169,6 +1172,10 @@ DB_SHOW_ALL_COMMAND(chains, db_show_allchains)
db_printf("chain %d:\n", i++);
print_lockchain(td, " ");
}
if (TD_IS_INHIBITED(td) && TD_ON_SLEEPQ(td)) {
db_printf("chain %d:\n", i++);
print_sleepchain(td, " ");
}
if (db_pager_quit)
return;
}