diff mbox series

[v6,07/23] trace-cmd library: Do not write CPU count section in trace files version 7

Message ID 20211202122152.43275-8-tz.stoyanov@gmail.com (mailing list archive)
State Superseded
Headers show
Series Trace file version 7 - sections | expand

Commit Message

Tzvetomir Stoyanov (VMware) Dec. 2, 2021, 12:21 p.m. UTC 
Writing CPU count as a separate section in the trace file is redundant,
as there is already an option for that. Use that option in trace files
version 7.

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
 lib/trace-cmd/trace-output.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c
index 40d5fe9c..caa3e2f5 100644
--- a/lib/trace-cmd/trace-output.c
+++ b/lib/trace-cmd/trace-output.c
@@ -1408,10 +1408,16 @@  int tracecmd_write_cpus(struct tracecmd_output *handle, int cpus)
 				 handle->file_state);
 		return -1;
 	}
-	cpus = convert_endian_4(handle, cpus);
-	ret = do_write_check(handle, &cpus, 4);
-	if (ret < 0)
-		return ret;
+
+	if (!HAS_SECTIONS(handle)) {
+		cpus = convert_endian_4(handle, cpus);
+		ret = do_write_check(handle, &cpus, 4);
+		if (ret < 0)
+			return ret;
+	} else {
+		tracecmd_add_option(handle, TRACECMD_OPTION_CPUCOUNT, sizeof(int), &cpus);
+	}
+
 	handle->file_state = TRACECMD_FILE_CPU_COUNT;
 	return 0;
 }