diff options
Diffstat (limited to 'libglusterfs/src/stack.c')
| -rw-r--r-- | libglusterfs/src/stack.c | 93 |
1 files changed, 83 insertions, 10 deletions
diff --git a/libglusterfs/src/stack.c b/libglusterfs/src/stack.c index 5349eaa0b01..37b338f51cb 100644 --- a/libglusterfs/src/stack.c +++ b/libglusterfs/src/stack.c @@ -26,6 +26,44 @@ int call_frames_count (call_frame_t *call_frame) return count; } +call_frame_t * +create_frame (xlator_t *xl, call_pool_t *pool) +{ + call_stack_t *stack = NULL; + + if (!xl || !pool) { + return NULL; + } + + stack = mem_get0 (pool->stack_mem_pool); + if (!stack) + return NULL; + + stack->pool = pool; + stack->frames.root = stack; + stack->frames.this = xl; + stack->ctx = xl->ctx; + + if (stack->ctx->measure_latency) { + if (gettimeofday (&stack->tv, NULL) == -1) + gf_log ("stack", GF_LOG_ERROR, "gettimeofday () failed." + " (%s)", strerror (errno)); + memcpy (&stack->frames.begin, &stack->tv, sizeof (stack->tv)); + } + + LOCK (&pool->lock); + { + list_add (&stack->all_frames, &pool->all_frames); + pool->cnt++; + } + UNLOCK (&pool->lock); + + LOCK_INIT (&stack->frames.lock); + LOCK_INIT (&stack->stack_lock); + + return &stack->frames; +} + void gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...) { @@ -34,6 +72,7 @@ gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...) va_list ap; call_frame_t my_frame; int ret = -1; + char timestr[256] = {0,}; if (!call_frame) return; @@ -47,15 +86,21 @@ gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...) va_end(ap); ret = TRY_LOCK(&call_frame->lock); - if (ret) { - gf_log("", GF_LOG_WARNING, "Unable to dump call frame" - " errno: %s", strerror (errno)); - return; - } + if (ret) + goto out; memcpy(&my_frame, call_frame, sizeof(my_frame)); UNLOCK(&call_frame->lock); + if (my_frame.this->ctx->measure_latency) { + gf_time_fmt (timestr, sizeof timestr, my_frame.begin.tv_sec, + gf_timefmt_FT); + snprintf (timestr + strlen (timestr), + sizeof timestr - strlen (timestr), + ".%"GF_PRI_SUSECONDS, my_frame.begin.tv_usec); + gf_proc_dump_write("frame-creation-time", "%s", timestr); + } + gf_proc_dump_write("ref_count", "%d", my_frame.ref_count); gf_proc_dump_write("translator", "%s", my_frame.this->name); gf_proc_dump_write("complete", "%d", my_frame.complete); @@ -73,6 +118,14 @@ gf_proc_dump_call_frame (call_frame_t *call_frame, const char *key_buf,...) if (my_frame.unwind_to) gf_proc_dump_write("unwind_to", "%s", my_frame.unwind_to); + + ret = 0; +out: + if (ret) { + gf_proc_dump_write("Unable to dump the frame information", + "(Lock acquisition failed) %p", my_frame); + return; + } } @@ -83,6 +136,7 @@ gf_proc_dump_call_stack (call_stack_t *call_stack, const char *key_buf,...) va_list ap; call_frame_t *trav; int32_t cnt, i; + char timestr[256] = {0,}; if (!call_stack) return; @@ -96,6 +150,15 @@ gf_proc_dump_call_stack (call_stack_t *call_stack, const char *key_buf,...) vsnprintf(prefix, GF_DUMP_MAX_BUF_LEN, key_buf, ap); va_end(ap); + if (call_stack->ctx->measure_latency) { + gf_time_fmt (timestr, sizeof timestr, call_stack->tv.tv_sec, + gf_timefmt_FT); + snprintf (timestr + strlen (timestr), + sizeof timestr - strlen (timestr), + ".%"GF_PRI_SUSECONDS, call_stack->tv.tv_usec); + gf_proc_dump_write("callstack-creation-time", "%s", timestr); + } + gf_proc_dump_write("uid", "%d", call_stack->uid); gf_proc_dump_write("gid", "%d", call_stack->gid); gf_proc_dump_write("pid", "%d", call_stack->pid); @@ -129,19 +192,18 @@ gf_proc_dump_pending_frames (call_pool_t *call_pool) call_stack_t *trav = NULL; int i = 1; int ret = -1; + gf_boolean_t section_added = _gf_true; if (!call_pool) return; ret = TRY_LOCK (&(call_pool->lock)); - if (ret) { - gf_log("", GF_LOG_WARNING, "Unable to dump call pool" - " errno: %d", errno); - return; - } + if (ret) + goto out; gf_proc_dump_add_section("global.callpool"); + section_added = _gf_true; gf_proc_dump_write("callpool_address","%p", call_pool); gf_proc_dump_write("callpool.cnt","%d", call_pool->cnt); @@ -152,6 +214,17 @@ gf_proc_dump_pending_frames (call_pool_t *call_pool) i++; } UNLOCK (&(call_pool->lock)); + + ret = 0; +out: + if (ret) { + if (_gf_false == section_added) + gf_proc_dump_add_section("global.callpool"); + gf_proc_dump_write("Unable to dump the callpool", + "(Lock acquisition failed) %p", + call_pool); + } + return; } void |