[PATCH v13 09/14] perf, tools: Group alias perf list by section

[Sukadev Bhattiprolu]

Please drop this patch. It was incorrectly included in the set.
Also, see the updated Patch 12/14.

Current set of patches are in the json-v13.1 branch:

	https://github.com/sukadev/linux/tree/json-v13.1

Sukadev

Sukadev Bhattiprolu [sukadev at linux.vnet.ibm.com] wrote:
| From: Andi Kleen <ak at linux.intel.com>
| 
| The first first element in an hardware event name defines the general
| area, usually the part of the micro architecture it is refering to.
| Group the perf list output by these sections by adding section headers.
| 
| Signed-off-by: Andi Kleen <ak at linux.intel.com>
| Signed-off-by: Sukadev Bhattiprolu <sukadev at linux.vnet.ibm.com>
| ---
|  tools/perf/util/pmu.c |   17 +++++++++++++++++
|  1 file changed, 17 insertions(+)
| 
| diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
| index 417333b..8d91fa7 100644
| --- a/tools/perf/util/pmu.c
| +++ b/tools/perf/util/pmu.c
| @@ -1039,6 +1039,8 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag)
|  	struct pair *aliases;
|  	int numdesc = 0;
|  	int columns = pager_get_columns();
| +	const char *last_section;
| +	int last_section_len;
| 
|  	pmu = NULL;
|  	len = 0;
| @@ -1086,6 +1088,8 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag)
|  		}
|  	}
|  	len = j;
| +	last_section = NULL;
| +	last_section_len = 0;
|  	qsort(aliases, len, sizeof(struct pair), cmp_pair);
|  	for (j = 0; j < len; j++) {
|  		if (name_only) {
| @@ -1093,8 +1097,21 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag)
|  			continue;
|  		}
|  		if (aliases[j].desc && !quiet_flag) {
| +			char *dot;
| +			char *name = aliases[j].name;
| +
|  			if (numdesc++ == 0)
|  				printf("\n");
| +			dot = strchr(name, '.');
| +			if (dot &&
| +				(!last_section ||
| +				 strncmp(last_section, name, last_section_len))) {
| +				last_section_len = dot - name;
| +				printf("%s%.*s:\n",
| +						last_section ? "\n" : "",
| +						last_section_len, name);
| +				last_section = name;
| +			}
|  			printf("  %-50s\n", aliases[j].name);
|  			printf("%*s", 8, "[");
|  			wordwrap(aliases[j].desc, 8, columns, 0);
| -- 
| 1.7.9.5
| 
| --
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