diff options
Diffstat (limited to 'sys/kern/kern_timeout.c')
| -rw-r--r-- | sys/kern/kern_timeout.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sys/kern/kern_timeout.c b/sys/kern/kern_timeout.c index 7e5aab7..f3c4e78 100644 --- a/sys/kern/kern_timeout.c +++ b/sys/kern/kern_timeout.c @@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$"); #include "opt_callout_profiling.h" #include "opt_kdtrace.h" +#include "opt_ddb.h" #if defined(__arm__) #include "opt_timer.h" #endif @@ -60,6 +61,11 @@ __FBSDID("$FreeBSD$"); #include <sys/sysctl.h> #include <sys/smp.h> +#ifdef DDB +#include <ddb/ddb.h> +#include <machine/_inttypes.h> +#endif + #ifdef SMP #include <machine/cpu.h> #endif @@ -1576,3 +1582,34 @@ SYSCTL_PROC(_kern, OID_AUTO, callout_stat, CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 0, sysctl_kern_callout_stat, "I", "Dump immediate statistic snapshot of the scheduled callouts"); + +#ifdef DDB +static void +_show_callout(struct callout *c) +{ + + db_printf("callout %p\n", c); +#define C_DB_PRINTF(f, e) db_printf(" %s = " f "\n", #e, c->e); + db_printf(" &c_links = %p\n", &(c->c_links)); + C_DB_PRINTF("%" PRId64, c_time); + C_DB_PRINTF("%" PRId64, c_precision); + C_DB_PRINTF("%p", c_arg); + C_DB_PRINTF("%p", c_func); + C_DB_PRINTF("%p", c_lock); + C_DB_PRINTF("%#x", c_flags); + C_DB_PRINTF("%#x", c_iflags); + C_DB_PRINTF("%d", c_cpu); +#undef C_DB_PRINTF +} + +DB_SHOW_COMMAND(callout, db_show_callout) +{ + + if (!have_addr) { + db_printf("usage: show callout <struct callout *>\n"); + return; + } + + _show_callout((struct callout *)addr); +} +#endif /* DDB */ |
