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| author | Jiri Olsa <jolsa@kernel.org> | 2016-09-22 18:36:48 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-10-19 19:18:31 +0300 |
| commit | cbb88500a7698bbe8751f01222081fa7f0641fd9 (patch) | |
| tree | 01342ae80770f7123938d61e405563fa2353b04b /tools/perf/builtin-c2c.c | |
| parent | 600a8cf45b797ff189c42175c1f165fb5cb9479a (diff) | |
| download | linux-cbb88500a7698bbe8751f01222081fa7f0641fd9.tar.xz | |
perf c2c report: Add 'dcacheline' dimension key
It displays cacheline address as hex number.
Using c2c wrapper to standard 'dcacheline' object to defined own header
and simple (just address) cacheline output.
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/r/1474558645-19956-21-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-c2c.c')
| -rw-r--r-- | tools/perf/builtin-c2c.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 78addc42c9e5..3a3e67f6e772 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -1,5 +1,6 @@ #include <linux/compiler.h> #include <linux/kernel.h> +#include <linux/stringify.h> #include "util.h" #include "debug.h" #include "builtin.h" @@ -7,6 +8,7 @@ #include "mem-events.h" #include "session.h" #include "hist.h" +#include "sort.h" #include "tool.h" #include "data.h" #include "sort.h" @@ -273,6 +275,32 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, return scnprintf(hpp->buf, hpp->size, "%*s", width, text); } +#define HEX_STR(__s, __v) \ +({ \ + scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \ + __s; \ +}) + +static int64_t +dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused, + struct hist_entry *left, struct hist_entry *right) +{ + return sort__dcacheline_cmp(left, right); +} + +static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he) +{ + uint64_t addr = 0; + int width = c2c_width(fmt, hpp, he->hists); + char buf[20]; + + if (he->mem_info) + addr = cl_address(he->mem_info->daddr.addr); + + return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr)); +} + #define HEADER_LOW(__h) \ { \ .line[1] = { \ @@ -308,7 +336,16 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, }, \ } +static struct c2c_dimension dim_dcacheline = { + .header = HEADER_LOW("Cacheline"), + .name = "dcacheline", + .cmp = dcacheline_cmp, + .entry = dcacheline_entry, + .width = 18, +}; + static struct c2c_dimension *dimensions[] = { + &dim_dcacheline, NULL, }; |