From 32faf071bd54c0e2e1ac07700f7ea5a3d6fa8d51 Mon Sep 17 00:00:00 2001 From: Mark Johnston Date: Mon, 29 Aug 2022 13:22:36 -0400 Subject: [PATCH] devstat: Remove DTrace io probes lacking a BIO reference The io:::start and end probes trace individual I/O requests. Also remove the unimplemented wait-start and wait-done probes. PR: 266098 MFC after: 1 week --- sys/kern/subr_devstat.c | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/sys/kern/subr_devstat.c b/sys/kern/subr_devstat.c index 98a41fd179c2..7b6e778a327f 100644 --- a/sys/kern/subr_devstat.c +++ b/sys/kern/subr_devstat.c @@ -52,17 +52,9 @@ SDT_PROVIDER_DEFINE(io); SDT_PROBE_DEFINE2(io, , , start, "struct bio *", "struct devstat *"); SDT_PROBE_DEFINE2(io, , , done, "struct bio *", "struct devstat *"); -SDT_PROBE_DEFINE2(io, , , wait__start, "struct bio *", - "struct devstat *"); -SDT_PROBE_DEFINE2(io, , , wait__done, "struct bio *", - "struct devstat *"); -#define DTRACE_DEVSTAT_START() SDT_PROBE2(io, , , start, NULL, ds) #define DTRACE_DEVSTAT_BIO_START() SDT_PROBE2(io, , , start, bp, ds) -#define DTRACE_DEVSTAT_DONE() SDT_PROBE2(io, , , done, NULL, ds) #define DTRACE_DEVSTAT_BIO_DONE() SDT_PROBE2(io, , , done, bp, ds) -#define DTRACE_DEVSTAT_WAIT_START() SDT_PROBE2(io, , , wait__start, NULL, ds) -#define DTRACE_DEVSTAT_WAIT_DONE() SDT_PROBE2(io, , , wait__done, NULL, ds) static int devstat_num_devs; static long devstat_generation = 1; @@ -245,7 +237,6 @@ devstat_start_transaction(struct devstat *ds, const struct bintime *now) binuptime(&ds->busy_from); } atomic_add_rel_int(&ds->sequence0, 1); - DTRACE_DEVSTAT_START(); } void @@ -341,7 +332,6 @@ devstat_end_transaction(struct devstat *ds, uint32_t bytes, ds->end_count++; atomic_add_rel_int(&ds->sequence0, 1); - DTRACE_DEVSTAT_DONE(); } void