[checkmk-commits] 4313 FIX ps: Improved performance of ps check on systems with a large number of processes

Module: check_mk Branch: master Commit: c692ef970dc319ed22d52b19b6cb98c8d05a89a2 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=c692ef970dc319… Author: Lars Michelsen <lm(a)mathias-kettner.de> Date: Fri Jan 27 09:54:24 2017 +0100 4313 FIX ps: Improved performance of ps check on systems with a large number of processes Change-Id: Ibc118fd46156bf9d33b6873f5f49feb7ea579489 --- .werks/4313 | 9 +++++++++ ChangeLog | 1 + checks/ps | 4 ++-- checks/ps.include | 6 +++++- 4 files changed, 17 insertions(+), 3 deletions(-) diff --git a/.werks/4313 b/.werks/4313 new file mode 100644 index 0000000..d9b32b2 --- /dev/null +++ b/.werks/4313 @@ -0,0 +1,9 @@ +Title: ps: Improved performance of ps check on systems with a large number of processes +Level: 1 +Component: checks +Compatible: compat +Version: 1.4.0i4 +Date: 1485507240 +Class: fix + + diff --git a/ChangeLog b/ChangeLog index 74bf3eb..7daf617 100644 --- a/ChangeLog +++ b/ChangeLog @@ -74,6 +74,7 @@ * 4214 FIX: jolokia_metrics.tp: Fix crash in case of partial thread information... * 4304 FIX: mk_inventory.linux: fixed missing redirection to null device in if statement * 4305 FIX: postgres_stat_database.size: fixed missing database size perfometer + * 4313 FIX: ps: Improved performance of ps check on systems with a large number of processes Multisite: * 4169 View action: Default values of sticky, notification and persistent options can now be configured via global settings.... diff --git a/checks/ps b/checks/ps index 394b106..0fa7087 100644 --- a/checks/ps +++ b/checks/ps @@ -117,11 +117,11 @@ def ps_get_counters_to_delete(pids): def ps_get_current_pids(parsed): - pids = [] + pids = set() for line in parsed: process_info = line[1] if ps_has_extended_perfdata(process_info): - pids.append(process_info[4]) + pids.add(process_info[4]) return pids diff --git a/checks/ps.include b/checks/ps.include index 4112294..13d35d3 100644 --- a/checks/ps.include +++ b/checks/ps.include @@ -327,7 +327,11 @@ def ps_cleanup_params(params): def ps_has_extended_perfdata(process_info): - return len(process_info) > 4 + try: + process_info[4] + return True + except IndexError: + return False def check_ps_common(item, params, parsed, cpu_cores = 1, info_name = "processes", total_ram = None):