From mboxrd@z Thu Jan 1 00:00:00 1970 From: jolsa@redhat.com (Jiri Olsa) Date: Sun, 31 Jul 2016 14:02:19 +0200 Subject: [PATCH V3 3/6] perf tools: add infrastructure for PMU specific configuration In-Reply-To: <1469742143-22245-4-git-send-email-mathieu.poirier@linaro.org> References: <1469742143-22245-1-git-send-email-mathieu.poirier@linaro.org> <1469742143-22245-4-git-send-email-mathieu.poirier@linaro.org> Message-ID: <20160731120219.GA12673@krava> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jul 28, 2016 at 03:42:20PM -0600, Mathieu Poirier wrote: > This patch adds PMU driver specific configuration to the parser > infrastructure by preceding any term with the '@' letter. As such > doing something like: > > perf record -e some_event/@cfg1, at cfg2=config/ ... > > will see 'cfg1' and 'cfg2=config' being added to the list of evsel config > terms. Token 'cfg1' and 'cfg2=config' are not processed in user space > and are meant to be interpreted by the PMU driver. > > First the lexer/parser are supplemented with the required definitions to > recognise the driver specific configuration. From there they are simply > added to the list of event terms. The bulk of the work is done in > function "parse_events_add_pmu()" where driver config event terms are > added to a new list of driver config terms, which in turn spliced with > the event's new driver configuration list. > > Signed-off-by: Mathieu Poirier Acked-by: Jiri Olsa thanks, jirka