perf c2c report: Add 'cpucnt' sort key
It is to be displayed in the single cacheline output: cpucnt It displays number of distinct cpus that hit cacheline. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Joe Mario <jmario@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-ib2kdwam52fby9u2k3ij6lhm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -1015,6 +1015,20 @@ MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
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MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
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MEAN_ENTRY(mean_load_entry, load);
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static int
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cpucnt_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
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struct hist_entry *he)
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{
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struct c2c_hist_entry *c2c_he;
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int width = c2c_width(fmt, hpp, he->hists);
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char buf[10];
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
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return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
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}
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#define HEADER_LOW(__h) \
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{ \
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.line[1] = { \
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@ -1341,6 +1355,14 @@ static struct c2c_dimension dim_mean_load = {
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.width = 8,
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};
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static struct c2c_dimension dim_cpucnt = {
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.header = HEADER_BOTH("cpu", "cnt"),
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.name = "cpucnt",
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.cmp = empty_cmp,
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.entry = cpucnt_entry,
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.width = 8,
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};
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static struct c2c_dimension *dimensions[] = {
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&dim_dcacheline,
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&dim_offset,
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@ -1378,6 +1400,7 @@ static struct c2c_dimension *dimensions[] = {
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&dim_mean_rmt,
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&dim_mean_lcl,
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&dim_mean_load,
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&dim_cpucnt,
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NULL,
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};
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