Date: Sat, 22 Oct 2016 18:02:21 +0000 (UTC) From: "Conrad E. Meyer" <cem@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r307780 - head/sys/kern Message-ID: <201610221802.u9MI2LXw048889@repo.freebsd.org>
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Author: cem Date: Sat Oct 22 18:02:20 2016 New Revision: 307780 URL: https://svnweb.freebsd.org/changeset/base/307780 Log: ddb(4): Add sleepchains to "show allchains" Reported by: markj Reviewed by: markj Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D8320 Modified: head/sys/kern/subr_turnstile.c Modified: head/sys/kern/subr_turnstile.c ============================================================================== --- head/sys/kern/subr_turnstile.c Sat Oct 22 17:21:21 2016 (r307779) +++ head/sys/kern/subr_turnstile.c Sat Oct 22 18:02:20 2016 (r307780) @@ -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_allc 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; }
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