trace-cmd: Do not die if seting pid for sched events fails

Older kernels do not handle filtering well. The -F flag causes the
filter to sched_wakeup and sched_switch to be set for next pid,
and if it fails to set, just ignore it. It should not interfere with
the trace anyway.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/trace-cmd.c b/trace-cmd.c
index be1241c..747ab1c 100644
--- a/trace-cmd.c
+++ b/trace-cmd.c
@@ -774,7 +774,7 @@ static void update_filter(const char *event_name, const char *field,
 
         ret = write(fd, filter, strlen(filter));
         if (ret < 0)
-                die("Can't write to %s", path);
+                warning("Can't write to %s", path);
         close(fd);
 
         free(filter);