[dpdk-dev] [PATCH v2 20/32] eal/trace: add thread tracepoints

[<jerinj@marvell.com>]

From: Jerin Jacob <jerinj@marvell.com>

Add the following thread related tracepoints.

rte_trace_lib_eal_thread_remote_launch;
rte_trace_lib_eal_thread_lcore_ready;

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
---
 lib/librte_eal/common/eal_common_trace_points.c |  9 +++++++++
 lib/librte_eal/common/include/rte_trace_eal.h   | 14 ++++++++++++++
 lib/librte_eal/freebsd/eal/eal_thread.c         | 11 ++++++++---
 lib/librte_eal/linux/eal/eal_thread.c           | 11 ++++++++---
 lib/librte_eal/rte_eal_version.map              |  2 ++
 5 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/lib/librte_eal/common/eal_common_trace_points.c b/lib/librte_eal/common/eal_common_trace_points.c
index aeaeac061..2c0b72b5c 100644
--- a/lib/librte_eal/common/eal_common_trace_points.c
+++ b/lib/librte_eal/common/eal_common_trace_points.c
@@ -35,6 +35,9 @@ RTE_TRACE_POINT_DEFINE(rte_trace_lib_eal_memzone_reserve);
 RTE_TRACE_POINT_DEFINE(rte_trace_lib_eal_memzone_lookup);
 RTE_TRACE_POINT_DEFINE(rte_trace_lib_eal_memzone_free);
 
+RTE_TRACE_POINT_DEFINE(rte_trace_lib_eal_thread_remote_launch);
+RTE_TRACE_POINT_DEFINE(rte_trace_lib_eal_thread_lcore_ready);
+
 RTE_INIT(eal_trace_init)
 {
 	RTE_TRACE_POINT_REGISTER(rte_trace_lib_eal_generic_void,
@@ -90,4 +93,10 @@ RTE_INIT(eal_trace_init)
 				 lib.eal.memzone.lookup, INFO);
 	RTE_TRACE_POINT_REGISTER(rte_trace_lib_eal_memzone_free,
 				 lib.eal.memzone.free, INFO);
+
+	RTE_TRACE_POINT_REGISTER(rte_trace_lib_eal_thread_remote_launch,
+				 lib.eal.thread.remote.launch, INFO);
+	RTE_TRACE_POINT_REGISTER(rte_trace_lib_eal_thread_lcore_ready,
+				 lib.eal.thread.lcore.ready, INFO);
+
 }
diff --git a/lib/librte_eal/common/include/rte_trace_eal.h b/lib/librte_eal/common/include/rte_trace_eal.h
index abbaea5e0..8197e198a 100644
--- a/lib/librte_eal/common/include/rte_trace_eal.h
+++ b/lib/librte_eal/common/include/rte_trace_eal.h
@@ -191,6 +191,20 @@ RTE_TRACE_POINT(
 	rte_trace_ctf_int(rc);
 )
 
+/* Thread */
+RTE_TRACE_POINT(
+	rte_trace_lib_eal_thread_remote_launch,
+	RTE_TRACE_POINT_ARGS(int (*f)(void *), void *arg,
+			     unsigned int slave_id, int rc),
+	rte_trace_ctf_ptr(f); rte_trace_ctf_ptr(arg);
+	rte_trace_ctf_u32(slave_id); rte_trace_ctf_int(rc);
+)
+RTE_TRACE_POINT(
+	rte_trace_lib_eal_thread_lcore_ready,
+	RTE_TRACE_POINT_ARGS(unsigned int lcore_id, const char *cpuset),
+	rte_trace_ctf_u32(lcore_id); rte_trace_ctf_string(cpuset);
+)
+
 
 #ifdef __cplusplus
 }
diff --git a/lib/librte_eal/freebsd/eal/eal_thread.c b/lib/librte_eal/freebsd/eal/eal_thread.c
index aaccb4926..66b0765cf 100644
--- a/lib/librte_eal/freebsd/eal/eal_thread.c
+++ b/lib/librte_eal/freebsd/eal/eal_thread.c
@@ -20,7 +20,7 @@
 #include <rte_per_lcore.h>
 #include <rte_eal.h>
 #include <rte_lcore.h>
-#include <rte_trace.h>
+#include <rte_trace_eal.h>
 
 #include "eal_private.h"
 #include "eal_thread.h"
@@ -41,9 +41,10 @@ rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id)
 	char c = 0;
 	int m2s = lcore_config[slave_id].pipe_master2slave[1];
 	int s2m = lcore_config[slave_id].pipe_slave2master[0];
+	int rc = -EBUSY;
 
 	if (lcore_config[slave_id].state != WAIT)
-		return -EBUSY;
+		goto finish;
 
 	lcore_config[slave_id].f = f;
 	lcore_config[slave_id].arg = arg;
@@ -63,7 +64,10 @@ rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id)
 	if (n <= 0)
 		rte_panic("cannot read on configuration pipe\n");
 
-	return 0;
+	rc = 0;
+finish:
+	rte_trace_lib_eal_thread_remote_launch(f, arg, slave_id, rc);
+	return rc;
 }
 
 /* set affinity for current thread */
@@ -126,6 +130,7 @@ eal_thread_loop(__attribute__((unused)) void *arg)
 		lcore_id, thread_id, cpuset, ret == 0 ? "" : "...");
 
 	__rte_trace_mem_per_thread_alloc();
+	rte_trace_lib_eal_thread_lcore_ready(lcore_id, cpuset);
 
 	/* read on our pipe to get commands */
 	while (1) {
diff --git a/lib/librte_eal/linux/eal/eal_thread.c b/lib/librte_eal/linux/eal/eal_thread.c
index 45f4dce44..afadbcbd7 100644
--- a/lib/librte_eal/linux/eal/eal_thread.c
+++ b/lib/librte_eal/linux/eal/eal_thread.c
@@ -20,7 +20,7 @@
 #include <rte_per_lcore.h>
 #include <rte_eal.h>
 #include <rte_lcore.h>
-#include <rte_trace.h>
+#include <rte_trace_eal.h>
 
 #include "eal_private.h"
 #include "eal_thread.h"
@@ -41,9 +41,10 @@ rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id)
 	char c = 0;
 	int m2s = lcore_config[slave_id].pipe_master2slave[1];
 	int s2m = lcore_config[slave_id].pipe_slave2master[0];
+	int rc = -EBUSY;
 
 	if (lcore_config[slave_id].state != WAIT)
-		return -EBUSY;
+		goto finish;
 
 	lcore_config[slave_id].f = f;
 	lcore_config[slave_id].arg = arg;
@@ -63,7 +64,10 @@ rte_eal_remote_launch(int (*f)(void *), void *arg, unsigned slave_id)
 	if (n <= 0)
 		rte_panic("cannot read on configuration pipe\n");
 
-	return 0;
+	rc = 0;
+finish:
+	rte_trace_lib_eal_thread_remote_launch(f, arg, slave_id, rc);
+	return rc;
 }
 
 /* set affinity for current EAL thread */
@@ -126,6 +130,7 @@ eal_thread_loop(__attribute__((unused)) void *arg)
 		lcore_id, (uintptr_t)thread_id, cpuset, ret == 0 ? "" : "...");
 
 	__rte_trace_mem_per_thread_alloc();
+	rte_trace_lib_eal_thread_lcore_ready(lcore_id, cpuset);
 
 	/* read on our pipe to get commands */
 	while (1) {
diff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map
index 2d881c6bb..fbb6f56af 100644
--- a/lib/librte_eal/rte_eal_version.map
+++ b/lib/librte_eal/rte_eal_version.map
@@ -390,4 +390,6 @@ EXPERIMENTAL {
 	__rte_trace_lib_eal_memzone_reserve;
 	__rte_trace_lib_eal_memzone_lookup;
 	__rte_trace_lib_eal_memzone_free;
+	__rte_trace_lib_eal_thread_remote_launch;
+	__rte_trace_lib_eal_thread_lcore_ready;
 };
-- 
2.25.1