From 2b9032e0ecb57de819bcf40b440e7cbd2d8f3a8c Mon Sep 17 00:00:00 2001 From: Alexander Yarygin Date: Fri, 25 Apr 2014 17:34:05 +0200 Subject: [PATCH] perf tools: Parse tracepoints with '-' in system name Trace events potentially can have a '-' in their trace system name, e.g. kvm on s390 defines kvm-s390:* tracepoints. We could not parse them, because there was no rule for this: $ sudo ./perf top -e "kvm-s390:*" invalid or unsupported event: 'kvm-s390:*' This patch adds an extra rule to event_legacy_tracepoint which handles those cases. Without the patch, perf will not accept such tracepoints in the -e option. Signed-off-by: Alexander Yarygin Tested-by: Christian Borntraeger Acked-by: Christian Borntraeger Link: http://lkml.kernel.org/r/1398440047-6641-2-git-send-email-yarygin@linux.vnet.ibm.com Signed-off-by: Jiri Olsa --- tools/perf/util/parse-events.y | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 4eb67ec..ac9db9f 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -299,6 +299,18 @@ PE_PREFIX_MEM PE_VALUE sep_dc } event_legacy_tracepoint: +PE_NAME '-' PE_NAME ':' PE_NAME +{ + struct parse_events_evlist *data = _data; + struct list_head *list; + char sys_name[128]; + snprintf(&sys_name, 128, "%s-%s", $1, $3); + + ALLOC_LIST(list); + ABORT_ON(parse_events_add_tracepoint(list, &data->idx, &sys_name, $5)); + $$ = list; +} +| PE_NAME ':' PE_NAME { struct parse_events_evlist *data = _data; -- 2.7.4