[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-doc
Subject: Re: [PATCH V7 24/24] perf tools: adding coresight etm PMU record capabilities
From: Mathieu Poirier <mathieu.poirier () linaro ! org>
Date: 2015-12-23 16:46:29
Message-ID: CANLsYkyZkb4=DwFGpPCsnny1KKiHd0reQSJxFniqerdB3P0shg () mail ! gmail ! com
[Download RAW message or body]
On 19 December 2015 at 10:27, Rabin Vincent <rabin@rab.in> wrote:
> On Fri, Dec 18, 2015 at 01:59:20PM -0700, Mathieu Poirier wrote:
>> +struct auxtrace_record
>> +*auxtrace_record__init(struct perf_evlist *evlist, int *err)
>> +{
>> + struct perf_pmu *cs_etm_pmu;
>> + struct perf_evsel *evsel;
>> + bool found_etm = false;
>> +
>> + cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME);
>> +
>> + if (evlist) {
>> + evlist__for_each(evlist, evsel) {
>> + if (cs_etm_pmu &&
>> + evsel->attr.type == cs_etm_pmu->type)
>> + found_etm = true;
>> + }
>> + }
>> +
>> + if (found_etm)
>> + return cs_etm_record_init(err);
>> +
>> + *err = -EINVAL;
>
> This should not set an error code when found_etm is false. Otherwise
> any attempt to uses perf record without a cs_etm event enabled errors
> out.
Yes, you're right.
Many thanks for the thorough review,
Mathieu
>
>> + return NULL;
>> +}
--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic