From d8d051df9f906232715282cc0570c94273b197bc Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@intel.com>
Date: Mon, 8 Jul 2019 08:52:31 +0300
Subject: perf scripts python: export-to-postgresql.py: Fix DROP VIEW
power_events_view
PostgreSQL can error if power_events_view is not dropped before its
dependent tables e.g.
Exception: Query failed: ERROR: cannot drop table mwait because other
objects depend on it
DETAIL: view power_events_view depends on table mwait
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Fixes: aba44287a224 ("perf scripts python: export-to-postgresql.py: Export Intel PT power and ptwrite events")
Link: http://lkml.kernel.org/r/20190708055232.5032-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/scripts/python/export-to-postgresql.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'tools/perf/scripts/python/export-to-postgresql.py')
diff --git a/tools/perf/scripts/python/export-to-postgresql.py b/tools/perf/scripts/python/export-to-postgresql.py
index 4447f0d7c754..92713d93e956 100644
--- a/tools/perf/scripts/python/export-to-postgresql.py
+++ b/tools/perf/scripts/python/export-to-postgresql.py
@@ -898,11 +898,11 @@ def trace_end():
if is_table_empty("ptwrite"):
drop("ptwrite")
if is_table_empty("mwait") and is_table_empty("pwre") and is_table_empty("exstop") and is_table_empty("pwrx"):
+ do_query(query, 'DROP VIEW power_events_view');
drop("mwait")
drop("pwre")
drop("exstop")
drop("pwrx")
- do_query(query, 'DROP VIEW power_events_view');
if is_table_empty("cbr"):
drop("cbr")
--
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