| Message ID | 20211118165727.75994-1-tz.stoyanov@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 98a40dd3b149e8b6c073c22b7e7f5c13bdb9c232 |
| Delegated to: | Steven Rostedt |
| Headers | show |
| Series | libtracefs: Use getpid instead of gettid | expand |
On Thu, 18 Nov 2021 18:57:27 +0200 "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com> wrote: > 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> > --- I guess I hit this earlier but never applied my fix :-/ https://patchwork.kernel.org/project/linux-trace-devel/patch/20210825195300.0f15d98a@rorschach.local.home/ -- Steve
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;
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(-)