From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org, amikhak@wirelessfabric.com
Subject: [PATCH] libtracefs: Use getpid instead of gettid
Date: Thu, 18 Nov 2021 18:57:27 +0200 [thread overview]
Message-ID: <20211118165727.75994-1-tz.stoyanov@gmail.com> (raw)
The gettid() call is not available on Jetson Nano running Ubuntu
18.04 for aarch64. This function is used to compose a random seed,
replaced it with getpid().
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203871
Reported-by: Alan Mikhak <amikhak@wirelessfabric.com>
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
src/tracefs-hist.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/tracefs-hist.c b/src/tracefs-hist.c
index 005fa8f..085c10b 100644
--- a/src/tracefs-hist.c
+++ b/src/tracefs-hist.c
@@ -1121,7 +1121,7 @@ static unsigned int make_rand(void)
unsigned long seed;
gettimeofday(&tv, NULL);
- seed = (tv.tv_sec + tv.tv_usec) + gettid();
+ seed = (tv.tv_sec + tv.tv_usec) + getpid();
/* taken from the rand(3) man page */
seed = seed * 1103515245 + 12345;
--
2.33.1
next reply other threads:[~2021-11-18 16:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-18 16:57 Tzvetomir Stoyanov (VMware) [this message]
2021-11-21 21:25 ` [PATCH] libtracefs: Use getpid instead of gettid Steven Rostedt
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