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-rw-r--r--trace2/tr2_tgt.h5
-rw-r--r--trace2/tr2_tgt_event.c22
-rw-r--r--trace2/tr2_tgt_normal.c14
-rw-r--r--trace2/tr2_tgt_perf.c15
4 files changed, 56 insertions, 0 deletions
diff --git a/trace2/tr2_tgt.h b/trace2/tr2_tgt.h
index 1f66fd6573..65f94e1574 100644
--- a/trace2/tr2_tgt.h
+++ b/trace2/tr2_tgt.h
@@ -45,6 +45,10 @@ typedef void(tr2_tgt_evt_child_exit_fl_t)(const char *file, int line,
uint64_t us_elapsed_absolute, int cid,
int pid, int code,
uint64_t us_elapsed_child);
+typedef void(tr2_tgt_evt_child_ready_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ int cid, int pid, const char *ready,
+ uint64_t us_elapsed_child);
typedef void(tr2_tgt_evt_thread_start_fl_t)(const char *file, int line,
uint64_t us_elapsed_absolute);
@@ -116,6 +120,7 @@ struct tr2_tgt {
tr2_tgt_evt_alias_fl_t *pfn_alias_fl;
tr2_tgt_evt_child_start_fl_t *pfn_child_start_fl;
tr2_tgt_evt_child_exit_fl_t *pfn_child_exit_fl;
+ tr2_tgt_evt_child_ready_fl_t *pfn_child_ready_fl;
tr2_tgt_evt_thread_start_fl_t *pfn_thread_start_fl;
tr2_tgt_evt_thread_exit_fl_t *pfn_thread_exit_fl;
tr2_tgt_evt_exec_fl_t *pfn_exec_fl;
diff --git a/trace2/tr2_tgt_event.c b/trace2/tr2_tgt_event.c
index 578a9a5287..70cfc2f77c 100644
--- a/trace2/tr2_tgt_event.c
+++ b/trace2/tr2_tgt_event.c
@@ -383,6 +383,27 @@ static void fn_child_exit_fl(const char *file, int line,
jw_release(&jw);
}
+static void fn_child_ready_fl(const char *file, int line,
+ uint64_t us_elapsed_absolute, int cid, int pid,
+ const char *ready, uint64_t us_elapsed_child)
+{
+ const char *event_name = "child_ready";
+ struct json_writer jw = JSON_WRITER_INIT;
+ double t_rel = (double)us_elapsed_child / 1000000.0;
+
+ jw_object_begin(&jw, 0);
+ event_fmt_prepare(event_name, file, line, NULL, &jw);
+ jw_object_intmax(&jw, "child_id", cid);
+ jw_object_intmax(&jw, "pid", pid);
+ jw_object_string(&jw, "ready", ready);
+ jw_object_double(&jw, "t_rel", 6, t_rel);
+ jw_end(&jw);
+
+ tr2_dst_write_line(&tr2dst_event, &jw.json);
+
+ jw_release(&jw);
+}
+
static void fn_thread_start_fl(const char *file, int line,
uint64_t us_elapsed_absolute)
{
@@ -610,6 +631,7 @@ struct tr2_tgt tr2_tgt_event = {
fn_alias_fl,
fn_child_start_fl,
fn_child_exit_fl,
+ fn_child_ready_fl,
fn_thread_start_fl,
fn_thread_exit_fl,
fn_exec_fl,
diff --git a/trace2/tr2_tgt_normal.c b/trace2/tr2_tgt_normal.c
index a5751c8864..58d9e430f0 100644
--- a/trace2/tr2_tgt_normal.c
+++ b/trace2/tr2_tgt_normal.c
@@ -251,6 +251,19 @@ static void fn_child_exit_fl(const char *file, int line,
strbuf_release(&buf_payload);
}
+static void fn_child_ready_fl(const char *file, int line,
+ uint64_t us_elapsed_absolute, int cid, int pid,
+ const char *ready, uint64_t us_elapsed_child)
+{
+ struct strbuf buf_payload = STRBUF_INIT;
+ double elapsed = (double)us_elapsed_child / 1000000.0;
+
+ strbuf_addf(&buf_payload, "child_ready[%d] pid:%d ready:%s elapsed:%.6f",
+ cid, pid, ready, elapsed);
+ normal_io_write_fl(file, line, &buf_payload);
+ strbuf_release(&buf_payload);
+}
+
static void fn_exec_fl(const char *file, int line, uint64_t us_elapsed_absolute,
int exec_id, const char *exe, const char **argv)
{
@@ -330,6 +343,7 @@ struct tr2_tgt tr2_tgt_normal = {
fn_alias_fl,
fn_child_start_fl,
fn_child_exit_fl,
+ fn_child_ready_fl,
NULL, /* thread_start */
NULL, /* thread_exit */
fn_exec_fl,
diff --git a/trace2/tr2_tgt_perf.c b/trace2/tr2_tgt_perf.c
index af4d65a0a5..e4acca13d6 100644
--- a/trace2/tr2_tgt_perf.c
+++ b/trace2/tr2_tgt_perf.c
@@ -360,6 +360,20 @@ static void fn_child_exit_fl(const char *file, int line,
strbuf_release(&buf_payload);
}
+static void fn_child_ready_fl(const char *file, int line,
+ uint64_t us_elapsed_absolute, int cid, int pid,
+ const char *ready, uint64_t us_elapsed_child)
+{
+ const char *event_name = "child_ready";
+ struct strbuf buf_payload = STRBUF_INIT;
+
+ strbuf_addf(&buf_payload, "[ch%d] pid:%d ready:%s", cid, pid, ready);
+
+ perf_io_write_fl(file, line, event_name, NULL, &us_elapsed_absolute,
+ &us_elapsed_child, NULL, &buf_payload);
+ strbuf_release(&buf_payload);
+}
+
static void fn_thread_start_fl(const char *file, int line,
uint64_t us_elapsed_absolute)
{
@@ -553,6 +567,7 @@ struct tr2_tgt tr2_tgt_perf = {
fn_alias_fl,
fn_child_start_fl,
fn_child_exit_fl,
+ fn_child_ready_fl,
fn_thread_start_fl,
fn_thread_exit_fl,
fn_exec_fl,