On 12/6/13, 12:42 AM, Adrian Hunter wrote:
Add field 'srcline' that displays the source file name
and line number associated with the sample ip.  The
information displayed is the same as from addr2line.

example output?


Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
---
  tools/perf/Documentation/perf-script.txt |  2 +-
  tools/perf/builtin-script.c              | 10 ++++++++++
  tools/perf/util/map.c                    | 17 +++++++++++++++++
  tools/perf/util/map.h                    |  2 ++
  tools/perf/util/session.c                |  8 ++++++++
  tools/perf/util/session.h                |  1 +
  6 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/tools/perf/Documentation/perf-script.txt 
b/tools/perf/Documentation/perf-script.txt
index cfdbb1e..c2a5071 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -115,7 +115,7 @@ OPTIONS
  -f::
  --fields::
          Comma separated list of fields to print. Options are:
-        comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff.
+        comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff, 
srcline.
          Field list can be prepended with the type, trace, sw or hw,
          to indicate to which event type the field list applies.
          e.g., -f sw:comm,tid,time,ip,sym  and -f trace:time,cpu,trace
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 4484886..7a571fb 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -43,6 +43,7 @@ enum perf_output_field {
        PERF_OUTPUT_DSO             = 1U << 9,
        PERF_OUTPUT_ADDR            = 1U << 10,
        PERF_OUTPUT_SYMOFFSET       = 1U << 11,
+       PERF_OUTPUT_SRCLINE         = 1U << 12,
  };

  struct output_option {
@@ -61,6 +62,7 @@ struct output_option {
        {.str = "dso",   .field = PERF_OUTPUT_DSO},
        {.str = "addr",  .field = PERF_OUTPUT_ADDR},
        {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
+       {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
  };

  /* default set to maintain compatibility with current format */
@@ -210,6 +212,11 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
                       "to DSO.\n");
                return -EINVAL;
        }
+       if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
+               pr_err("Display of source line number requested but sample IP is 
not\n"
+                      "selected. Hence, no address to lookup the source line 
number.\n");
+               return -EINVAL;
+       }

        if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
                perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
@@ -245,6 +252,9 @@ static void set_print_ip_opts(struct perf_event_attr *attr)

        if (PRINT_FIELD(SYMOFFSET))
                output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
+
+       if (PRINT_FIELD(SRCLINE))
+               output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
  }

  /*
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index ef5bc91..9b9bd71 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -11,6 +11,7 @@
  #include "strlist.h"
  #include "vdso.h"
  #include "build-id.h"
+#include "util.h"
  #include <linux/string.h>

  const char *map_type__name[MAP__NR_TYPES] = {
@@ -252,6 +253,22 @@ size_t map__fprintf_dsoname(struct map *map, FILE *fp)
        return fprintf(fp, "%s", dsoname);
  }

+int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
+                        FILE *fp)
+{
+       char *srcline;
+       int ret = 0;
+
+       if (map && map->dso) {
+               srcline = get_srcline(map->dso,
+                                     map__rip_2objdump(map, addr));
+               if (srcline != SRCLINE_UNKNOWN)
+                       ret = fprintf(fp, "%s%s", prefix, srcline);
+               free_srcline(srcline);
+       }
+       return ret;
+}
+
  /**
   * map__rip_2objdump - convert symbol start address to objdump address.
   * @map: memory map
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index e4e259c..18068c6 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -103,6 +103,8 @@ struct map *map__clone(struct map *map);
  int map__overlap(struct map *l, struct map *r);
  size_t map__fprintf(struct map *map, FILE *fp);
  size_t map__fprintf_dsoname(struct map *map, FILE *fp);
+int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
+                        FILE *fp);

  int map__load(struct map *map, symbol_filter_t filter);
  struct symbol *map__find_symbol(struct map *map,
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index c236b38..e748f29 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1497,6 +1497,7 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, 
struct perf_sample *sample,
        int print_dso = print_opts & PRINT_IP_OPT_DSO;
        int print_symoffset = print_opts & PRINT_IP_OPT_SYMOFFSET;
        int print_oneline = print_opts & PRINT_IP_OPT_ONELINE;
+       int print_srcline = print_opts & PRINT_IP_OPT_SRCLINE;
        char s = print_oneline ? ' ' : '\t';

        if (symbol_conf.use_callchain && sample->callchain) {
@@ -1546,6 +1547,10 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, 
struct perf_sample *sample,
                                printf(")");
                        }

+                       if (print_srcline)
+                               map__fprintf_srcline(node->map, addr, "\n  ",
+                                                    stdout);
+
                        if (!print_oneline)
                                printf("\n");

@@ -1575,6 +1580,9 @@ next:
                        map__fprintf_dsoname(al->map, stdout);
                        printf(")");
                }
+
+               if (print_srcline)
+                       map__fprintf_srcline(al->map, al->addr, "\n  ", stdout);
        }
  }

Why newline followed by space?

Otherwise, Acked-by: David Ahern <dsah...@gmail.com>

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