[PATCH] perf trace: Fix syscall summary duration order

[PATCH] perf trace: Fix syscall summary duration order

[Pekka Enberg]

Switch duration order to minimum, average, maximum for the '--summary'
command line option because it's more natural to read.

Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 tools/perf/builtin-trace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 329b783..f841d2a 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2085,7 +2085,7 @@ static size_t trace__fprintf_threads_header(FILE *fp)
 	printed  = fprintf(fp, "\n _____________________________________________________________________________\n");
 	printed += fprintf(fp, " __)    Summary of events    (__\n\n");
 	printed += fprintf(fp, "              [ task - pid ]     [ events ] [ ratio ]  [ runtime ]\n");
-	printed += fprintf(fp, "                                  syscall  count    min     max    avg  stddev\n");
+	printed += fprintf(fp, "                                  syscall  count    min     avg    max  stddev\n");
 	printed += fprintf(fp, "                                                   msec    msec   msec     %%\n");
 	printed += fprintf(fp, " _____________________________________________________________________________\n\n");
 
@@ -2121,8 +2121,8 @@ static size_t thread__dump_stats(struct thread_trace *ttrace,
 			sc = &trace->syscalls.table[inode->i];
 			printed += fprintf(fp, "%24s  %14s : ", "", sc->name);
 			printed += fprintf(fp, "%5" PRIu64 "  %8.3f  %8.3f",
-					   n, min, max);
-			printed += fprintf(fp, "  %8.3f  %6.2f\n", avg, pct);
+					   n, min, avg);
+			printed += fprintf(fp, "  %8.3f  %6.2f\n", max, pct);
 		}
 
 		inode = intlist__next(inode);
-- 
1.8.3.1

Re: [PATCH] perf trace: Fix syscall summary duration order

[David Ahern]

On 11/12/13, 7:10 AM, Pekka Enberg wrote:
> Switch duration order to minimum, average, maximum for the '--summary'
> command line option because it's more natural to read.
>
> Cc: David Ahern <dsahern@gmail.com>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
> Signed-off-by: Pekka Enberg <penberg@kernel.org>
> ---
>   tools/perf/builtin-trace.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)

I would change the 'Fix' in the summary line to 'Change'. Other than that...

Acked-by: David Ahern <dsahern@gmail.com>

[tip:perf/urgent] perf trace: Change syscall summary duration order

[tip-bot for Pekka Enberg]

Commit-ID:  7f7a4138c66e857cc5bbf6e248a47379765349b5
Gitweb:     http://git.kernel.org/tip/7f7a4138c66e857cc5bbf6e248a47379765349b5
Author:     Pekka Enberg <penberg@kernel.org>
AuthorDate: Tue, 12 Nov 2013 16:10:10 +0200
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Tue, 12 Nov 2013 13:00:38 -0300

perf trace: Change syscall summary duration order

Switch duration order to minimum, average, maximum for the '--summary'
command line option because it's more natural to read.

Signed-off-by: Pekka Enberg <penberg@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Link: http://lkml.kernel.org/r/1384265410-12344-1-git-send-email-penberg@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-trace.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 8d6ea8f..8990fbe 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -2093,7 +2093,7 @@ static size_t trace__fprintf_threads_header(FILE *fp)
 	printed  = fprintf(fp, "\n _____________________________________________________________________________\n");
 	printed += fprintf(fp, " __)    Summary of events    (__\n\n");
 	printed += fprintf(fp, "              [ task - pid ]     [ events ] [ ratio ]  [ runtime ]\n");
-	printed += fprintf(fp, "                                  syscall  count    min     max    avg  stddev\n");
+	printed += fprintf(fp, "                                  syscall  count    min     avg    max  stddev\n");
 	printed += fprintf(fp, "                                                   msec    msec   msec     %%\n");
 	printed += fprintf(fp, " _____________________________________________________________________________\n\n");
 
@@ -2129,8 +2129,8 @@ static size_t thread__dump_stats(struct thread_trace *ttrace,
 			sc = &trace->syscalls.table[inode->i];
 			printed += fprintf(fp, "%24s  %14s : ", "", sc->name);
 			printed += fprintf(fp, "%5" PRIu64 "  %8.3f  %8.3f",
-					   n, min, max);
-			printed += fprintf(fp, "  %8.3f  %6.2f\n", avg, pct);
+					   n, min, avg);
+			printed += fprintf(fp, "  %8.3f  %6.2f\n", max, pct);
 		}
 
 		inode = intlist__next(inode);