diff options
| author | Bryan Cantrill <bryan@joyent.com> | 2011-12-02 01:22:07 +0000 |
|---|---|---|
| committer | Jerry Jelinek <jerry.jelinek@joyent.com> | 2012-04-27 21:19:47 +0000 |
| commit | 62f6f1e1a121cefa75d00b8e06a58fe06999ac8a (patch) | |
| tree | 684f8b8b60f6b9b72a001a5e118a339f92830b43 /usr/src | |
| parent | 8c07126d4a0608e93b1cc5be587164e6fb9c8339 (diff) | |
| download | illumos-joyent-62f6f1e1a121cefa75d00b8e06a58fe06999ac8a.tar.gz | |
OS-782 need to record timestamp when calling through context ops
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/disp/thread.c | 16 | ||||
| -rw-r--r-- | usr/src/uts/common/sys/thread.h | 2 |
2 files changed, 14 insertions, 4 deletions
diff --git a/usr/src/uts/common/disp/thread.c b/usr/src/uts/common/disp/thread.c index 5ed9110251..63a08483f8 100644 --- a/usr/src/uts/common/disp/thread.c +++ b/usr/src/uts/common/disp/thread.c @@ -1049,6 +1049,8 @@ installctx( ctx->free_op = free; ctx->arg = arg; ctx->next = t->t_ctx; + ctx->save_ts = 0; + ctx->restore_ts = 0; t->t_ctx = ctx; } @@ -1120,9 +1122,12 @@ savectx(kthread_t *t) struct ctxop *ctx; ASSERT(t == curthread); - for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) - if (ctx->save_op != NULL) + for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) { + if (ctx->save_op != NULL) { + ctx->save_ts = gethrtime_unscaled(); (ctx->save_op)(ctx->arg); + } + } } void @@ -1131,9 +1136,12 @@ restorectx(kthread_t *t) struct ctxop *ctx; ASSERT(t == curthread); - for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) - if (ctx->restore_op != NULL) + for (ctx = t->t_ctx; ctx != 0; ctx = ctx->next) { + if (ctx->restore_op != NULL) { + ctx->restore_ts = gethrtime_unscaled(); (ctx->restore_op)(ctx->arg); + } + } } void diff --git a/usr/src/uts/common/sys/thread.h b/usr/src/uts/common/sys/thread.h index 188230d61e..c7f460e7c7 100644 --- a/usr/src/uts/common/sys/thread.h +++ b/usr/src/uts/common/sys/thread.h @@ -68,6 +68,8 @@ typedef struct ctxop { void (*free_op)(void *, int); /* function which frees the context */ void *arg; /* argument to above functions, ctx pointer */ struct ctxop *next; /* next context ops */ + hrtime_t save_ts; /* timestamp of last save */ + hrtime_t restore_ts; /* timestamp of last restore */ } ctxop_t; /* |