[Xen-devel] [PATCH 27/27] ts-bench-hostcmp-post: add plotting facilities

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

From: Dario Faggioli <raistlin@xxxxxxxx>

in order to have an additional graph, comparing host and
guests performance when running kernbench.

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---
 Osstest/Benchmarking.pm |   17 +++++++++++++----
 ts-bench-hostcmp-post   |    1 +
 ts-kernbench-reslts     |    6 +++---
 3 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/Osstest/Benchmarking.pm b/Osstest/Benchmarking.pm
index 301af08..1be9c97 100644
--- a/Osstest/Benchmarking.pm
+++ b/Osstest/Benchmarking.pm
@@ -175,7 +175,9 @@ sub kernbench_print_results ($$) {
 }
 
 sub kernbench_plot_results ($$$) {
-  my ($dataf,$num_cols,$pfile)= @_;
+  my ($dfiles,$num_cols,$pfile)= @_;
+  my $f= keys @$dfiles;
+  my $s= join(' ',@$dfiles);
 
   my $h= new IO::File "> $pfile.gp" or die "$!";
   print $h <<EOF;
@@ -184,12 +186,19 @@ set output '$pfile.png'
 set title 'Kernbench Results for $flight.$job'
 $common_plot_opts
 set bmargin 6
+NDATA=$num_cols
+NHOSTS=$f
 SKIP_COL=1
-NCOL=$num_cols
+NCOL=1*(NHOSTS*NDATA)
 HWIDTH=1.0/(NCOL+1.0)
 cols=''
-plot for [c=SKIP_COL+1:SKIP_COL+NCOL] '$dataf' using c:xtic(1) with histograms 
title columnhead, \\
-        for [c=SKIP_COL+1:SKIP_COL+NCOL] '' every ::1 using 0:c:c with labels 
notitle offset first -HWIDTH*(NCOL/2.0)+HWIDTH/2.0+(c-(SKIP_COL+1))*HWIDTH, 
character 2 rotate by 90
+do for [h=0:NHOSTS-1] {
+        do for 
[c=1+h*(NDATA+SKIP_COL)+SKIP_COL:1+h*(NDATA+SKIP_COL)+SKIP_COL+NDATA-1] {
+          cols = cols . sprintf("\%d ", c);
+        }
+}
+plot for [c in cols] '< paste $s' using int(c):xtic(1) with histograms title 
columnhead, \\
+        for [i=1:words(cols)] '' every ::1 using 
0:int(word(cols,i)):int(word(cols,i)) with labels notitle offset first 
-HWIDTH*(NCOL/2.0)+HWIDTH/2.0+(i-1)*HWIDTH, character 2 rotate by 90
 EOF
   close($h);
 
diff --git a/ts-bench-hostcmp-post b/ts-bench-hostcmp-post
index 383bac0..ee9cf0a 100755
--- a/ts-bench-hostcmp-post
+++ b/ts-bench-hostcmp-post
@@ -65,6 +65,7 @@ sub plot_hostcmp () {
     close FH;
   }
   unixbench_plot_results(\@dfiles,$ncols,"$stash/$job-PLOT") if $bn eq 
"unixbench";
+  kernbench_plot_results(\@dfiles,$ncols,"$stash/$job-PLOT") if $bn eq 
"kernbench";
 }
 
 sub resetboot () {
diff --git a/ts-kernbench-reslts b/ts-kernbench-reslts
index 113a4ce..b9ee393 100755
--- a/ts-kernbench-reslts
+++ b/ts-kernbench-reslts
@@ -62,13 +62,13 @@ sub fetch() {
 
 sub process () {
   my $resf= "$stash/$gho->{Name}--$lresfile";
-  my $dataf= "$resf-DATA";
+  my @dataf= "$resf-DATA";
   my $plotf= "$resf-PLOT";
 
   kernbench_process_results(\$results,$resf);
-  kernbench_print_results($results,$dataf);
+  kernbench_print_results($results,$dataf[0]);
   my $ncols= keys $results->{'Elapsed Time'}{'Result'};
-  kernbench_plot_results($dataf,$ncols,$plotf);
+  kernbench_plot_results(\@dataf,$ncols,$plotf);
 }
 
 fetch();


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