* [PATCH v5 07/25] trace-cmd library: Do not write CPU count section in trace files version 7
@ 2021-11-11 15:09 Tzvetomir Stoyanov (VMware)
0 siblings, 0 replies; only message in thread
From: Tzvetomir Stoyanov (VMware) @ 2021-11-11 15:09 UTC (permalink / raw)
To: rostedt; +Cc: linux-trace-devel
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 --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c
index 48e69850..02fc78f9 100644
--- a/lib/trace-cmd/trace-output.c
+++ b/lib/trace-cmd/trace-output.c
@@ -1390,10 +1390,16 @@ 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;
}
--
2.33.1
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2021-11-11 15:09 [PATCH v5 07/25] trace-cmd library: Do not write CPU count section in trace files version 7 Tzvetomir Stoyanov (VMware)
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