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-rw-r--r--tools/perf/Documentation/perf-c2c.txt4
-rw-r--r--tools/perf/builtin-c2c.c39
2 files changed, 36 insertions, 7 deletions
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 5eda9336267e..3f06730c7f47 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -104,6 +104,10 @@ REPORT OPTIONS
--force::
Don't do ownership validation.
+-d::
+--display::
+ Siwtch to HITM type (rmt, lcl) to display and sort on. Total HITMs as default.
+
C2C RECORD
----------
The perf c2c record command setup options related to HITM cacheline analysis
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index d873977b8fb6..54924717ae8e 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -91,6 +91,14 @@ struct perf_c2c {
enum {
DISPLAY_LCL,
DISPLAY_RMT,
+ DISPLAY_TOT,
+ DISPLAY_MAX,
+};
+
+static const char *display_str[DISPLAY_MAX] = {
+ [DISPLAY_LCL] = "Local",
+ [DISPLAY_RMT] = "Remote",
+ [DISPLAY_TOT] = "Total",
};
static struct perf_c2c c2c;
@@ -745,6 +753,10 @@ static double percent_hitm(struct c2c_hist_entry *c2c_he)
case DISPLAY_LCL:
st = stats->lcl_hitm;
tot = total->lcl_hitm;
+ break;
+ case DISPLAY_TOT:
+ st = stats->tot_hitm;
+ tot = total->tot_hitm;
default:
break;
}
@@ -1044,6 +1056,9 @@ node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
break;
case DISPLAY_LCL:
DISPLAY_HITM(lcl_hitm);
+ break;
+ case DISPLAY_TOT:
+ DISPLAY_HITM(tot_hitm);
default:
break;
}
@@ -1351,6 +1366,7 @@ static struct c2c_dimension dim_tot_loads = {
static struct c2c_header percent_hitm_header[] = {
[DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
[DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
+ [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
};
static struct c2c_dimension dim_percent_hitm = {
@@ -1794,6 +1810,9 @@ static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
break;
case DISPLAY_RMT:
FILTER_HITM(rmt_hitm);
+ break;
+ case DISPLAY_TOT:
+ FILTER_HITM(tot_hitm);
default:
break;
};
@@ -1809,8 +1828,9 @@ static inline int valid_hitm_or_store(struct hist_entry *he)
bool has_hitm;
c2c_he = container_of(he, struct c2c_hist_entry, he);
- has_hitm = c2c.display == DISPLAY_LCL ?
- c2c_he->stats.lcl_hitm : c2c_he->stats.rmt_hitm;
+ has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
+ c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
+ c2c_he->stats.rmt_hitm;
return has_hitm || c2c_he->stats.store;
}
@@ -2095,7 +2115,7 @@ static void print_c2c_info(FILE *out, struct perf_session *session)
first = false;
}
fprintf(out, " Cachelines sort on : %s HITMs\n",
- c2c.display == DISPLAY_LCL ? "Local" : "Remote");
+ display_str[c2c.display]);
fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
}
@@ -2250,7 +2270,7 @@ static int perf_c2c_browser__title(struct hist_browser *browser,
"Shared Data Cache Line Table "
"(%lu entries, sorted on %s HITMs)",
browser->nr_non_filtered_entries,
- c2c.display == DISPLAY_LCL ? "local" : "remote");
+ display_str[c2c.display]);
return 0;
}
@@ -2387,9 +2407,11 @@ static int setup_callchain(struct perf_evlist *evlist)
static int setup_display(const char *str)
{
- const char *display = str ?: "rmt";
+ const char *display = str ?: "tot";
- if (!strcmp(display, "rmt"))
+ if (!strcmp(display, "tot"))
+ c2c.display = DISPLAY_TOT;
+ else if (!strcmp(display, "rmt"))
c2c.display = DISPLAY_RMT;
else if (!strcmp(display, "lcl"))
c2c.display = DISPLAY_LCL;
@@ -2474,6 +2496,8 @@ static int setup_coalesce(const char *coalesce, bool no_source)
return -1;
if (asprintf(&c2c.cl_resort, "offset,%s",
+ c2c.display == DISPLAY_TOT ?
+ "tot_hitm" :
c2c.display == DISPLAY_RMT ?
"rmt_hitm,lcl_hitm" :
"lcl_hitm,rmt_hitm") < 0)
@@ -2520,7 +2544,7 @@ static int perf_c2c__report(int argc, const char **argv)
"print_type,threshold[,print_limit],order,sort_key[,branch],value",
callchain_help, &parse_callchain_opt,
callchain_default_opt),
- OPT_STRING('d', "display", &display, NULL, "lcl,rmt"),
+ OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
"coalesce fields: pid,tid,iaddr,dso"),
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
@@ -2608,6 +2632,7 @@ static int perf_c2c__report(int argc, const char **argv)
"tot_loads,"
"ld_fbhit,ld_l1hit,ld_l2hit,"
"ld_lclhit,ld_rmthit",
+ c2c.display == DISPLAY_TOT ? "tot_hitm" :
c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
);