Subject: + documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex.patch added to -mm tree
To: vinayakm.list@xxxxxxxxx,mel@xxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 08 Jan 2014 16:01:53 -0800
The patch titled
Subject: Documentation/trace/postprocess/trace-vmscan-postprocess.pl: fix the traceevent regex
has been added to the -mm tree. Its filename is
documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex.patch
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------------------------------------------------------
From: Vinayak Menon <vinayakm.list@xxxxxxxxx>
Subject: Documentation/trace/postprocess/trace-vmscan-postprocess.pl: fix the traceevent regex
When irq, preempt and lockdep fields are printed (field 3 in the e.g.
below) in the trace output, the script fails.
An e.g. entry.
kswapd0-610 [000] ...1 158.112152: mm_vmscan_kswapd_wake: nid=0 order=0
Signed-off-by: Vinayak Menon <vinayakm.list@xxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/trace/postprocess/trace-vmscan-postprocess.pl | 18 +++++-----
1 file changed, 9 insertions(+), 9 deletions(-)
diff -puN Documentation/trace/postprocess/trace-vmscan-postprocess.pl~documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex Documentation/trace/postprocess/trace-vmscan-postprocess.pl
--- a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl~documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex
+++ a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
@@ -123,7 +123,7 @@ my $regex_writepage;
# Static regex used. Specified like this for readability and for use with /o
# (process_pid) (cpus ) ( time ) (tpoint ) (details)
-my $regex_traceevent = '\s*([a-zA-Z0-9-]*)\s*(\[[0-9]*\])\s*([0-9.]*):\s*([a-zA-Z_]*):\s*(.*)';
+my $regex_traceevent = '\s*([a-zA-Z0-9-]*)\s*(\[[0-9]*\])(\s*[dX.][Nnp.][Hhs.][0-9a-fA-F.]*|)\s*([0-9.]*):\s*([a-zA-Z_]*):\s*(.*)';
my $regex_statname = '[-0-9]*\s\((.*)\).*';
my $regex_statppid = '[-0-9]*\s\(.*\)\s[A-Za-z]\s([0-9]*).*';
@@ -270,8 +270,8 @@ EVENT_PROCESS:
while ($traceevent = <STDIN>) {
if ($traceevent =~ /$regex_traceevent/o) {
$process_pid = $1;
- $timestamp = $3;
- $tracepoint = $4;
+ $timestamp = $4;
+ $tracepoint = $5;
$process_pid =~ /(.*)-([0-9]*)$/;
my $process = $1;
@@ -299,7 +299,7 @@ EVENT_PROCESS:
$perprocesspid{$process_pid}->{MM_VMSCAN_DIRECT_RECLAIM_BEGIN}++;
$perprocesspid{$process_pid}->{STATE_DIRECT_BEGIN} = $timestamp;
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_direct_begin/o) {
print "WARNING: Failed to parse mm_vmscan_direct_reclaim_begin as expected\n";
print " $details\n";
@@ -322,7 +322,7 @@ EVENT_PROCESS:
$perprocesspid{$process_pid}->{HIGH_DIRECT_RECLAIM_LATENCY}[$index] = "$order-$latency";
}
} elsif ($tracepoint eq "mm_vmscan_kswapd_wake") {
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_kswapd_wake/o) {
print "WARNING: Failed to parse mm_vmscan_kswapd_wake as expected\n";
print " $details\n";
@@ -356,7 +356,7 @@ EVENT_PROCESS:
} elsif ($tracepoint eq "mm_vmscan_wakeup_kswapd") {
$perprocesspid{$process_pid}->{MM_VMSCAN_WAKEUP_KSWAPD}++;
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_wakeup_kswapd/o) {
print "WARNING: Failed to parse mm_vmscan_wakeup_kswapd as expected\n";
print " $details\n";
@@ -366,7 +366,7 @@ EVENT_PROCESS:
my $order = $3;
$perprocesspid{$process_pid}->{MM_VMSCAN_WAKEUP_KSWAPD_PERORDER}[$order]++;
} elsif ($tracepoint eq "mm_vmscan_lru_isolate") {
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_lru_isolate/o) {
print "WARNING: Failed to parse mm_vmscan_lru_isolate as expected\n";
print " $details\n";
@@ -387,7 +387,7 @@ EVENT_PROCESS:
}
$perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty;
} elsif ($tracepoint eq "mm_vmscan_lru_shrink_inactive") {
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_lru_shrink_inactive/o) {
print "WARNING: Failed to parse mm_vmscan_lru_shrink_inactive as expected\n";
print " $details\n";
@@ -397,7 +397,7 @@ EVENT_PROCESS:
my $nr_reclaimed = $4;
$perprocesspid{$process_pid}->{HIGH_NR_RECLAIMED} += $nr_reclaimed;
} elsif ($tracepoint eq "mm_vmscan_writepage") {
- $details = $5;
+ $details = $6;
if ($details !~ /$regex_writepage/o) {
print "WARNING: Failed to parse mm_vmscan_writepage as expected\n";
print " $details\n";
_
Patches currently in -mm which might be from vinayakm.list@xxxxxxxxx are
documentation-trace-postprocess-trace-vmscan-postprocesspl-fix-the-traceevent-regex.patch
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