Skip to contentSkip to conversation

perf tools: Fix perf.data format description of NRCPUS header

tip:perf/urgent tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message May 31, 2018 perf events

lore
Share & tools
lore

tip-bot for Arnaldo Carvalho de Melo

author merge bot
#0 lore raw
Commit-ID:  18a7057420f8b67f15d17087bf5c0863db752c8b
Gitweb:     https://git.kernel.org/tip/18a7057420f8b67f15d17087bf5c0863db752c8b
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Fri, 25 May 2018 16:37:36 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Wed, 30 May 2018 15:40:26 -0300

perf tools: Fix perf.data format description of NRCPUS header

In the perf.data HEADER_CPUDESC feadure header we store first the number of available CPUs in the system, then the number of CPUs at the time of writing the header, not the other way around.

Reported-by Thomas-Mich Richter <[email protected]>
Acked-by Andi Kleen <[email protected]>
Cc Adrian Hunter <[email protected]>
Cc David Ahern <[email protected]>
Cc He Kuang <[email protected]>
Cc Hendrik Brueckner <[email protected]>
Cc Jin Yao <[email protected]>
Cc Jiri Olsa <[email protected]>
Cc Kim Phillips <[email protected]>
Cc Lakshman Annadorai <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Simon Que <[email protected]>
Cc Stephane Eranian <[email protected]>
Cc Wang Nan <[email protected]>
Link https://lkml.kernel.org/n/[email protected] open here
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/Documentation/perf.data-file-format.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
tools/perf/Documentation/perf.data-file-format.txt +1 -1
index c57904a526ce..dfb218feaad9 100644
@@ -111,8 +111,8 @@ A perf_header_string with the CPU architecture (uname -m)
 A structure defining the number of CPUs.
 
 struct nr_cpus {
-       uint32_t nr_cpus_online;
        uint32_t nr_cpus_available; /* CPUs not yet onlined */
+       uint32_t nr_cpus_online;
 };
 
 	HEADER_CPUDESC = 8,