From: John Stultz via ltp <ltp@lists.linux.it>
To: ltp@lists.linux.it
Cc: kernel-team@android.com, John Stultz <jstultz@google.com>,
Darren Hart <darren@os.amperecomputing.com>
Subject: [LTP] [PATCH 5/6] sched_football: Add prctrl calls to set thread comms
Date: Tue, 23 Apr 2024 15:58:02 -0700 [thread overview]
Message-ID: <20240423225821.4003538-6-jstultz@google.com> (raw)
In-Reply-To: <20240423225821.4003538-1-jstultz@google.com>
Make it easier to follow whats happening in traces by setting
the thread comms to be more descriptive.
Cc: kernel-team@android.com
Cc: Darren Hart <darren@os.amperecomputing.com>
Signed-off-by: John Stultz <jstultz@google.com>
---
| 5 +++++
1 file changed, 5 insertions(+)
--git a/testcases/realtime/func/sched_football/sched_football.c b/testcases/realtime/func/sched_football/sched_football.c
index 7686ce3e6..45fbf6766 100644
--- a/testcases/realtime/func/sched_football/sched_football.c
+++ b/testcases/realtime/func/sched_football/sched_football.c
@@ -69,6 +69,7 @@
#include <errno.h>
#include <sys/syscall.h>
#include <unistd.h>
+#include <sys/prctl.h>
#include <sys/time.h>
#include <librttest.h>
@@ -126,6 +127,7 @@ unsigned long long ts_delta(struct timespec *start, struct timespec *stop)
/* These are fans running across the field. They're trying to interrupt/distract everyone */
void *thread_fan(void *arg)
{
+ prctl(PR_SET_NAME, "crazy_fan", 0, 0, 0);
atomic_inc(&players_ready);
/*occasionally wake up and run across the field */
while (1) {
@@ -146,6 +148,7 @@ void *thread_fan(void *arg)
/* This is the defensive team. They're trying to block the offense */
void *thread_defense(void *arg)
{
+ prctl(PR_SET_NAME, "defense", 0, 0, 0);
atomic_inc(&players_ready);
/*keep the ball from being moved */
while (1) {
@@ -156,6 +159,7 @@ void *thread_defense(void *arg)
/* This is the offensive team. They're trying to move the ball */
void *thread_offense(void *arg)
{
+ prctl(PR_SET_NAME, "offense", 0, 0, 0);
atomic_inc(&players_ready);
while (1) {
atomic_inc(&the_ball); /* move the ball ahead one yard */
@@ -168,6 +172,7 @@ int referee(int game_length)
struct timeval start, now;
int final_ball;
+ prctl(PR_SET_NAME, "referee", 0, 0, 0);
printf("Game On (%d seconds)!\n", game_length);
gettimeofday(&start, NULL);
--
2.44.0.769.g3c40516874-goog
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2024-04-24 12:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-23 22:57 [LTP] [PATCH 0/6] sched_football: Re-add crazy fans and other cleanups John Stultz via ltp
2024-04-23 22:57 ` [LTP] [PATCH 1/6] sched_football: Drop use of sched_yeild() John Stultz via ltp
2024-04-23 22:57 ` [LTP] [PATCH 2/6] sched_football: Use atomic for ball John Stultz via ltp
2024-04-29 9:06 ` Cyril Hrubis
2024-04-29 22:56 ` John Stultz via ltp
2024-05-07 9:35 ` Cyril Hrubis
2024-04-23 22:58 ` [LTP] [PATCH 3/6] sched_football: Re-add the crazy fans to interrupt everyone John Stultz via ltp
2024-04-29 9:10 ` Cyril Hrubis
2024-04-29 23:06 ` John Stultz via ltp
2024-04-23 22:58 ` [LTP] [PATCH 4/6] sched_football: Add a sleep before the game begins to get into steady state John Stultz via ltp
2024-04-23 22:58 ` John Stultz via ltp [this message]
2024-04-23 22:58 ` [LTP] [PATCH 6/6] sched_football: Add trace_marker messages if we're tracing John Stultz via ltp
2024-04-29 9:17 ` Cyril Hrubis
2024-04-29 23:14 ` John Stultz via ltp
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