mm_vmscan_{direct_reclaim_begin,wakeup_kswapd,lru_isolate,lru_shrink_active}
changed their output to the point where the script throws warnings and
errors. Update it to be properly in line with those changes.

Signed-off-by: Florian Schmidt <florian.schm...@nutanix.com>
---
 .../postprocess/trace-vmscan-postprocess.pl   | 23 +++++++++----------
 1 file changed, 11 insertions(+), 12 deletions(-)

diff --git a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl 
b/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
index 995da15b16ca..6c4e3fde9447 100644
--- a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
+++ b/Documentation/trace/postprocess/trace-vmscan-postprocess.pl
@@ -107,14 +107,14 @@ GetOptions(
 );
 
 # Defaults for dynamically discovered regex's
-my $regex_direct_begin_default = 'order=([0-9]*) may_writepage=([0-9]*) 
gfp_flags=([A-Z_|]*)';
+my $regex_direct_begin_default = 'order=([0-9]*) gfp_flags=([A-Z_|]*)';
 my $regex_direct_end_default = 'nr_reclaimed=([0-9]*)';
 my $regex_kswapd_wake_default = 'nid=([0-9]*) order=([0-9]*)';
 my $regex_kswapd_sleep_default = 'nid=([0-9]*)';
-my $regex_wakeup_kswapd_default = 'nid=([0-9]*) zid=([0-9]*) order=([0-9]*) 
gfp_flags=([A-Z_|]*)';
-my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) classzone_idx=([0-9]*) 
order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_skipped=([0-9]*) 
nr_taken=([0-9]*) lru=([a-z_]*)';
+my $regex_wakeup_kswapd_default = 'nid=([0-9]*) order=([0-9]*) 
gfp_flags=([A-Z_|]*)';
+my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) classzone=([0-9]*) 
order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_skipped=([0-9]*) 
nr_taken=([0-9]*) lru=([a-z_]*)';
 my $regex_lru_shrink_inactive_default = 'nid=([0-9]*) nr_scanned=([0-9]*) 
nr_reclaimed=([0-9]*) nr_dirty=([0-9]*) nr_writeback=([0-9]*) 
nr_congested=([0-9]*) nr_immediate=([0-9]*) nr_activate_anon=([0-9]*) 
nr_activate_file=([0-9]*) nr_ref_keep=([0-9]*) nr_unmap_fail=([0-9]*) 
priority=([0-9]*) flags=([A-Z_|]*)';
-my $regex_lru_shrink_active_default = 'lru=([A-Z_]*) nr_scanned=([0-9]*) 
nr_rotated=([0-9]*) priority=([0-9]*)';
+my $regex_lru_shrink_active_default = 'nid=([0-9]*) nr_active=([0-9]*) 
nr_deactivated=([0-9]*) nr_referenced=([0-9]*) priority=([0-9]*) 
flags=([A-Z_]*)';
 my $regex_writepage_default = 'page=([0-9a-f]*) pfn=([0-9]*) flags=([A-Z_|]*)';
 
 # Dyanically discovered regex
@@ -184,8 +184,7 @@ sub generate_traceevent_regex {
 $regex_direct_begin = generate_traceevent_regex(
                        "vmscan/mm_vmscan_direct_reclaim_begin",
                        $regex_direct_begin_default,
-                       "order", "may_writepage",
-                       "gfp_flags");
+                       "order", "gfp_flags");
 $regex_direct_end = generate_traceevent_regex(
                        "vmscan/mm_vmscan_direct_reclaim_end",
                        $regex_direct_end_default,
@@ -201,11 +200,11 @@ $regex_kswapd_sleep = generate_traceevent_regex(
 $regex_wakeup_kswapd = generate_traceevent_regex(
                        "vmscan/mm_vmscan_wakeup_kswapd",
                        $regex_wakeup_kswapd_default,
-                       "nid", "zid", "order", "gfp_flags");
+                       "nid", "order", "gfp_flags");
 $regex_lru_isolate = generate_traceevent_regex(
                        "vmscan/mm_vmscan_lru_isolate",
                        $regex_lru_isolate_default,
-                       "isolate_mode", "classzone_idx", "order",
+                       "isolate_mode", "classzone", "order",
                        "nr_requested", "nr_scanned", "nr_skipped", "nr_taken",
                        "lru");
 $regex_lru_shrink_inactive = generate_traceevent_regex(
@@ -218,9 +217,9 @@ $regex_lru_shrink_inactive = generate_traceevent_regex(
 $regex_lru_shrink_active = generate_traceevent_regex(
                        "vmscan/mm_vmscan_lru_shrink_active",
                        $regex_lru_shrink_active_default,
-                       "nid", "zid",
-                       "lru",
-                       "nr_scanned", "nr_rotated", "priority");
+                       "nid",
+                       "nr_taken", "nr_active", "nr_deactivated", 
"nr_referenced",
+                       "priority", "flags");
 $regex_writepage = generate_traceevent_regex(
                        "vmscan/mm_vmscan_writepage",
                        $regex_writepage_default,
@@ -371,7 +370,7 @@ EVENT_PROCESS:
                                print "         $regex_wakeup_kswapd\n";
                                next;
                        }
-                       my $order = $3;
+                       my $order = $2;
                        
$perprocesspid{$process_pid}->{MM_VMSCAN_WAKEUP_KSWAPD_PERORDER}[$order]++;
                } elsif ($tracepoint eq "mm_vmscan_lru_isolate") {
                        $details = $6;
-- 
2.23.0.rc1

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