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Code Issues Projects Releases Wiki Activity

updated the dtrace patch for nginx 1.3.4.

This commit is contained in:
agentzh (Yichun Zhang) 2012-08-20 17:42:05 -07:00
parent 248189c74e
commit 01984bab7c
1 changed files with 103 additions and 8 deletions
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111
patches/nginx-1.3.4-dtrace.patch
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@ -307,7 +307,7 @@ index c506d3d..cbbfbf1 100644
+
+DTRACE_FROM_SYSTEMTAP=YES
diff --git a/auto/sources b/auto/sources
index 374ad66..72bb1b0 100644
index 374ad66..b9e71ff 100644
--- a/auto/sources
+++ b/auto/sources
@@ -39,6 +39,11 @@ CORE_DEPS="src/core/nginx.h \
@ -322,7 +322,17 @@ index 374ad66..72bb1b0 100644
CORE_SRCS="src/core/nginx.c \
src/core/ngx_log.c \
src/core/ngx_palloc.c \
@@ -291,7 +296,8 @@ HTTP_DEPS="src/http/ngx_http.h \
@@ -89,7 +94,8 @@ EVENT_DEPS="src/event/ngx_event.h \
src/event/ngx_event_posted.h \
src/event/ngx_event_busy_lock.h \
src/event/ngx_event_connect.h \
- src/event/ngx_event_pipe.h"
+ src/event/ngx_event_pipe.h \
+ src/event/ngx_event_probe.h"
EVENT_SRCS="src/event/ngx_event.c \
src/event/ngx_event_timer.c \
@@ -291,7 +297,8 @@ HTTP_DEPS="src/http/ngx_http.h \
src/http/ngx_http_script.h \
src/http/ngx_http_upstream.h \
src/http/ngx_http_upstream_round_robin.h \
@ -332,7 +342,7 @@ index 374ad66..72bb1b0 100644
HTTP_SRCS="src/http/ngx_http.c \
src/http/ngx_http_core_module.c \
@@ -524,3 +530,8 @@ NGX_GOOGLE_PERFTOOLS_MODULE=ngx_google_perftools_module
@@ -524,3 +531,8 @@ NGX_GOOGLE_PERFTOOLS_MODULE=ngx_google_perftools_module
NGX_GOOGLE_PERFTOOLS_SRCS=src/misc/ngx_google_perftools_module.c
NGX_CPP_TEST_SRCS=src/misc/ngx_cpp_test_module.cpp
@ -539,16 +549,17 @@ index 0000000..fccea2b
+
diff --git a/src/dtrace/nginx_provider.d b/src/dtrace/nginx_provider.d
new file mode 100644
index 0000000..483ac69
index 0000000..7f93101
--- /dev/null
+++ b/src/dtrace/nginx_provider.d
@@ -0,0 +1,32 @@
@@ -0,0 +1,36 @@
+typedef struct { int dummy; } ngx_http_request_t;
+typedef struct { int dummy; } ngx_str_t;
+typedef int64_t ngx_int_t;
+typedef struct { int dummy; } ngx_module_t;
+typedef struct { int dummy; } ngx_http_module_t;
+typedef struct { int dummy; } ngx_table_elt_t;
+typedef struct { int dummy; } ngx_event_t;
+
+
+provider nginx {
@ -566,6 +577,9 @@ index 0000000..483ac69
+ probe http__read__body__done(ngx_http_request_t *r);
+ probe http__read__req__line__done(ngx_http_request_t *r);
+ probe http__read__req__header__done(ngx_http_request_t *r, ngx_table_elt_t *h);
+ probe timer__add(ngx_event_t *ev, ngx_msec_t timer);
+ probe timer__del(ngx_event_t *ev);
+ probe timer__expire(ngx_event_t *ev);
+};
+
+
@ -577,7 +591,7 @@ index 0000000..483ac69
+
diff --git a/src/dtrace/stap-nginx b/src/dtrace/stap-nginx
new file mode 100755
index 0000000..5127fbe
index 0000000..1bca4cf
--- /dev/null
+++ b/src/dtrace/stap-nginx
@@ -0,0 +1,6 @@
@ -585,8 +599,89 @@ index 0000000..5127fbe
+
+PATH="NGX_SBIN_DIR:$PATH"
+export PATH
+exec stap -d "NGX_SBIN_PATH" --ldd -I "NGX_TAPSET_PREFIX" "$@"
+exec stap -d "NGX_SBIN_PATH" -I "NGX_TAPSET_PREFIX" "$@"
+
diff --git a/src/event/ngx_event_probe.h b/src/event/ngx_event_probe.h
new file mode 100644
index 0000000..b7b2749
--- /dev/null
+++ b/src/event/ngx_event_probe.h
@@ -0,0 +1,32 @@
+#ifndef _NGX_EVENT_PROBE_H_INCLUDED_
+#define _NGX_EVENT_PROBE_H_INCLUDED_
+
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_event.h>
+
+
+#if (NGX_DTRACE)
+
+#include <ngx_dtrace_provider.h>
+
+#define ngx_event_probe_timer_add(ev, timer) \
+ NGINX_TIMER_ADD(ev, timer)
+
+#define ngx_event_probe_timer_del(ev) \
+ NGINX_TIMER_DEL(ev)
+
+#define ngx_event_probe_timer_expire(ev) \
+ NGINX_TIMER_EXPIRE(ev)
+
+#else /* !(NGX_DTRACE) */
+
+#define ngx_event_probe_timer_add(ev, timer)
+#define ngx_event_probe_timer_del(ev)
+#define ngx_event_probe_timer_expire(ev)
+
+#endif
+
+
+#endif /* _NGX_EVENT_PROBE_H_INCLUDED_ */
diff --git a/src/event/ngx_event_timer.c b/src/event/ngx_event_timer.c
index 177ac1c..531cccc 100644
--- a/src/event/ngx_event_timer.c
+++ b/src/event/ngx_event_timer.c
@@ -144,6 +144,8 @@ ngx_event_expire_timers(void)
}
#endif
+ ngx_event_probe_timer_expire(ev);
+
ev->timedout = 1;
ev->handler(ev);
diff --git a/src/event/ngx_event_timer.h b/src/event/ngx_event_timer.h
index ec9b316..6095d8c 100644
--- a/src/event/ngx_event_timer.h
+++ b/src/event/ngx_event_timer.h
@@ -12,6 +12,7 @@
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
+#include <ngx_event_probe.h>
#define NGX_TIMER_INFINITE (ngx_msec_t) -1
@@ -35,6 +36,8 @@ extern ngx_thread_volatile ngx_rbtree_t ngx_event_timer_rbtree;
static ngx_inline void
ngx_event_del_timer(ngx_event_t *ev)
{
+ ngx_event_probe_timer_del(ev);
+
ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"event timer del: %d: %M",
ngx_event_ident(ev->data), ev->timer.key);
@@ -85,6 +88,8 @@ ngx_event_add_timer(ngx_event_t *ev, ngx_msec_t timer)
ev->timer.key = key;
+ ngx_event_probe_timer_add(ev, timer);
+
ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
"event timer add: %d: %M:%M",
ngx_event_ident(ev->data), timer, ev->timer.key);
diff --git a/src/http/ngx_http.c b/src/http/ngx_http.c
index 3e077fb..b7edb7b 100644
--- a/src/http/ngx_http.c
@ -610,7 +705,7 @@ index 3e077fb..b7edb7b 100644
return NGX_CONF_ERROR;
}
diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c
index c5db18f..f23ba51 100644
index c5db18f..ffc7049 100644
--- a/src/http/ngx_http_core_module.c
+++ b/src/http/ngx_http_core_module.c
@@ -8,6 +8,7 @@