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Message-ID: <20170525080927.GK14467@krava>
Date: Thu, 25 May 2017 10:09:27 +0200
From: Jiri Olsa <jolsa@...hat.com>
To: David Carrillo-Cisneros <davidcc@...gle.com>
Cc: linux-kernel@...r.kernel.org,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Andi Kleen <ak@...ux.intel.com>, Simon Que <sque@...omium.org>,
Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...nel.org>,
He Kuang <hekuang@...wei.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
David Ahern <dsa@...ulusnetworks.com>,
Namhyung Kim <namhyung@...nel.org>,
Stephane Eranian <eranian@...gle.com>,
Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH v2 13/13] perf tools: add feature header record to
pipe-mode
On Tue, May 23, 2017 at 12:48:53AM -0700, David Carrillo-Cisneros wrote:
SNIP
> +int perf_event__synthesize_features(struct perf_tool *tool,
> + struct perf_session *session,
> + struct perf_evlist *evlist,
> + perf_event__handler_t process)
> +{
> + struct perf_header *header = &session->header;
> + struct feat_fd fdd;
> + struct feature_event *fe;
> + size_t sz, sz_hdr;
> + int feat, ret;
> +
> + sz_hdr = sizeof(fe->header);
> + sz = sizeof(union perf_event);
> + /* get a nice alignment */
> + sz = PERF_ALIGN(sz, getpagesize());
we have page_size global variable for this
jirka
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