powerpc/perf: Add json file support for hv_24x7 core level events
v8 cover powerpc/perf: Add json file support for hv_24x7 core level events
Patchset enhance current runtime parameter support. It introduces new fields like "PerChip" and "PerCore" similar to the field "PerPkg" which is used to specify perpkg events.
The "PerCore" and "PerChip" specifies whether its core or chip events. Based on which we can decide which runtime parameter user want to access. Now character '?' can refers different parameter based on user requirement.
Initially, every time we want to add new terms like chip, core, thread etc, we need to create corrsponding fields in pmu_events and event struct.
This patchset adds an enum called 'aggr_mode_class' which store all these aggregation like perchip/percore. It also adds new field 'AggregationMode' to capture these terms.
Now, if user wants to add any new term, they just need to add it in the enum defined.
This patchset also adds changes of adding new structure called 'json_event' inside jevents.c
file to improve the callback prototype inside jevent file. Initially, whenever user want to add new field, they need to update in all function callback which makes it more and more complex with increased number of parmeters.
With this change, we just need to add it in new structure 'json_event'. link to the RFC patch: https://lkml.org/lkml/2020/8/25/217
Changelog:
v7 -> v8
- Change commit typo from jevents.h to jevents.c
- Make json_events function static in first patch.
v6 -> v7
- Remove min and get_cpu_str functions from jevents.c
- Make json_events function static to solve warning part [John Garry].
- Add event attribute in json_events function to remove strcpy from real_event function, as suggested by Jiri Olsa.
- Add warning while checking aggr_mode value [Jiri Olsa].
Kajol Jain (5):
perf/jevents: Remove jevents.h file
perf/jevents: Add new structure to pass json fields. perf jevents: Add support for parsing perchip/percore events perf/tools: Pass pmu_event structure as a parameter for
arch_get_runtimeparam
perf/tools/pmu_events/powerpc: Add hv_24x7 core level metric events
tools/perf/arch/powerpc/util/header.c | 7 +- .../arch/powerpc/power9/nest_metrics.json | 35 ++- tools/perf/pmu-events/jevents.c | 234 +++++++++--------- tools/perf/pmu-events/jevents.h | 23 -- tools/perf/pmu-events/pmu-events.h | 6 + tools/perf/util/metricgroup.c | 5 +- tools/perf/util/metricgroup.h | 3 +- 7 files changed, 154 insertions(+), 159 deletions(-) delete mode 100644 tools/perf/pmu-events/jevents.h
Signature · 1 line
2.26.2
PATCH v8 1/5 perf/jevents: Remove jevents.h file
This patch removes jevents.h file.
--- tools/perf/pmu-events/jevents.c | 3 +-- tools/perf/pmu-events/jevents.h | 23 ----------------------- 2 files changed, 1 insertion(+), 25 deletions(-) delete mode 100644 tools/perf/pmu-events/jevents.h
tools/perf/pmu-events/jevents.c +1 -2
@@ -48,7 +48,6 @@#include <linux/list.h> #include "jsmn.h" #include "json.h" -#include "jevents.h" int verbose;char *prog;
@@ -512,7 +511,7 @@ try_fixup(const char *fn, char *arch_std, char **event, char **desc, }/* Call func with each event in the json file */ -int json_events(const char *fn, +static int json_events(const char *fn, int (*func)(void *data, char *name, char *event, char *desc, char *long_desc, char *pmu, char *unit, char *perpkg,
tools/perf/pmu-events/jevents.h deleted +0 -23
@@ -1,23 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef JEVENTS_H -#define JEVENTS_H 1 - -int json_events (const char *fn, -int (*func)(void *data,char *name,char *event,char *desc, -char *long_desc, -char *pmu, -char *unit,char *perpkg,char *metric_expr, -char *metric_name,char *metric_group, -char *deprecated,char *metric_constraint), -void *data); -char *get_cpu_str (void ); - -#ifndef min -#define min (x, y) ({ \ - typeof(x) _min1 = (x); \ - typeof(y) _min2 = (y); \ - (void) (&_min1 == &_min2); \ - _min1 < _min2 ? _min1 : _min2; }) -#endif - -#endif
Signature · 1 line
2.26.2
PATCH v8 2/5 perf/jevents: Add new structure to pass json fields.
In reply to Kajol JainThis patch adds new structure called 'json_event' inside jevents.c file to improve the callback prototype inside jevent files. Initially, whenever user want to add new field, they need to update in all function callback which make it more and more complex with increased number of parmeters.
With this change, we just need to add it in new structure 'json_event'.
--- tools/perf/pmu-events/jevents.c | 212 +++++++++++++++----------------- 1 file changed, 97 insertions(+), 115 deletions(-)
tools/perf/pmu-events/jevents.c +97 -115
@@ -52,6 +52,23 @@int verbose;char *prog; +struct json_event { +char *name; +char *event; +char *desc; +char *long_desc; +char *pmu; +char *unit; +char *perpkg; +char *metric_expr; +char *metric_name; +char *metric_group; +char *deprecated; +char *metric_constraint; +}; + +typedef int (*func )(void *data,struct json_event *je); +int eprintf (int level,int var,const char *fmt, ...) {
@@ -70,11 +87,6 @@ int eprintf(int level, int var, const char *fmt, ...)return ret; } -__attribute__((weak))char *get_cpu_str (void ) -{ -return NULL ; -} -static void addfield (char *map,char **dst,const char *sep,const char *a,jsmntok_t *bt) {
@@ -317,12 +329,7 @@ static void print_events_table_prefix(FILE *fp, const char *tblname) close_table =1 ; } -static int print_events_table_entry (void *data,char *name,char *event, -char *desc,char *long_desc, -char *pmu,char *unit,char *perpkg, -char *metric_expr, -char *metric_name,char *metric_group, -char *deprecated,char *metric_constraint) +static int print_events_table_entry (void *data,struct json_event *je) {struct perf_entry_data *pd = data;FILE *outfp = pd->outfp;
@@ -334,30 +341,30 @@ static int print_events_table_entry(void *data, char *name, char *event,*/ fprintf (outfp,"{\n" ); -if (name) -fprintf (outfp,"\t.name = \"%s\",\n" , name); -if (event) -fprintf (outfp,"\t.event = \"%s\",\n" , event); -fprintf (outfp,"\t.desc = \"%s\",\n" , desc); +if (je->name) +fprintf (outfp,"\t.name = \"%s\",\n" , je->name); +if (je->event) +fprintf (outfp,"\t.event = \"%s\",\n" , je->event); +fprintf (outfp,"\t.desc = \"%s\",\n" , je->desc);fprintf (outfp,"\t.topic = \"%s\",\n" , topic); -if (long_desc && long_desc[0 ]) -fprintf (outfp,"\t.long_desc = \"%s\",\n" , long_desc); -if (pmu) -fprintf (outfp,"\t.pmu = \"%s\",\n" , pmu); -if (unit) -fprintf (outfp,"\t.unit = \"%s\",\n" , unit); -if (perpkg) -fprintf (outfp,"\t.perpkg = \"%s\",\n" , perpkg); -if (metric_expr) -fprintf (outfp,"\t.metric_expr = \"%s\",\n" , metric_expr); -if (metric_name) -fprintf (outfp,"\t.metric_name = \"%s\",\n" , metric_name); -if (metric_group) -fprintf (outfp,"\t.metric_group = \"%s\",\n" , metric_group); -if (deprecated) -fprintf (outfp,"\t.deprecated = \"%s\",\n" , deprecated); -if (metric_constraint) -fprintf (outfp,"\t.metric_constraint = \"%s\",\n" , metric_constraint); +if (je->long_desc && je->long_desc[0 ]) +fprintf (outfp,"\t.long_desc = \"%s\",\n" , je->long_desc); +if (je->pmu) +fprintf (outfp,"\t.pmu = \"%s\",\n" , je->pmu); +if (je->unit) +fprintf (outfp,"\t.unit = \"%s\",\n" , je->unit); +if (je->perpkg) +fprintf (outfp,"\t.perpkg = \"%s\",\n" , je->perpkg); +if (je->metric_expr) +fprintf (outfp,"\t.metric_expr = \"%s\",\n" , je->metric_expr); +if (je->metric_name) +fprintf (outfp,"\t.metric_name = \"%s\",\n" , je->metric_name); +if (je->metric_group) +fprintf (outfp,"\t.metric_group = \"%s\",\n" , je->metric_group); +if (je->deprecated) +fprintf (outfp,"\t.deprecated = \"%s\",\n" , je->deprecated); +if (je->metric_constraint) +fprintf (outfp,"\t.metric_constraint = \"%s\",\n" , je->metric_constraint);fprintf (outfp,"},\n" );return 0 ;
@@ -379,17 +386,17 @@ struct event_struct {char *metric_constraint; }; -#define ADD_EVENT_FIELD (field) do { if (field) { \ - es->field = strdup(field); \ +#define ADD_EVENT_FIELD (field) do { if (je->field) { \ + es->field = strdup(je->field); \ if (!es->field) \ goto out_free; \ } } while (0)#define FREE_EVENT_FIELD (field) free(es->field) -#define TRY_FIXUP_FIELD (field) do { if (es->field && !*field) {\ - *field = strdup(es->field); \ - if (!*field) \ +#define TRY_FIXUP_FIELD (field) do { if (es->field && !je->field) {\ + je->field = strdup(es->field); \ + if (!je->field) \ return -ENOMEM; \ } } while (0)
@@ -420,11 +427,7 @@ static void free_arch_std_events(void) } } -static int save_arch_std_events (void *data,char *name,char *event, -char *desc,char *long_desc,char *pmu, -char *unit,char *perpkg,char *metric_expr, -char *metric_name,char *metric_group, -char *deprecated,char *metric_constraint) +static int save_arch_std_events (void *data,struct json_event *je) {struct event_struct *es;
@@ -484,11 +487,8 @@ static char *real_event(const char *name, char *event) }static int -try_fixup (const char *fn,char *arch_std,char **event,char **desc, -char **name,char **long_desc,char **pmu,char **filter, -char **perpkg,char **unit,char **metric_expr,char **metric_name, -char **metric_group,unsigned long long eventcode, -char **deprecated,char **metric_constraint) +try_fixup (const char *fn,char *arch_std,unsigned long long eventcode, +struct json_event *je) {/* try to find matching event from arch standard values */ struct event_struct *es;
@@ -497,8 +497,8 @@ try_fixup(const char *fn, char *arch_std, char **event, char **desc,if (!strcmp (arch_std, es->name)) {if (!eventcode && es->event) {/* allow EventCode to be overridden */ -free (*event); - *event =NULL ; +free (je->event); + je->event =NULL ; }FOR_ALL_EVENT_STRUCT_FIELDS (TRY_FIXUP_FIELD );return 0 ;
@@ -512,13 +512,8 @@ try_fixup(const char *fn, char *arch_std, char **event, char **desc,/* Call func with each event in the json file */ static int json_events (const char *fn, -int (*func)(void *data,char *name,char *event,char *desc, -char *long_desc, -char *pmu,char *unit,char *perpkg, -char *metric_expr, -char *metric_name,char *metric_group, -char *deprecated,char *metric_constraint), -void *data) +int (*func)(void *data,struct json_event *je), +void *data) {int err;size_t size;
@@ -536,18 +531,10 @@ static int json_events(const char *fn,EXPECT (tokens->type ==JSMN_ARRAY , tokens,"expected top level array" ); tok = tokens +1 ;for (i =0 ; i < tokens->size; i++) { -char *event =NULL , *desc =NULL , *name =NULL ; -char *long_desc =NULL ; +char *event =NULL ;char *extra_desc =NULL ; -char *pmu =NULL ;char *filter =NULL ; -char *perpkg =NULL ; -char *unit =NULL ; -char *metric_expr =NULL ; -char *metric_name =NULL ; -char *metric_group =NULL ; -char *deprecated =NULL ; -char *metric_constraint =NULL ; +struct json_event je = {};char *arch_std =NULL ;unsigned long long eventcode =0 ;struct msrmap *msr =NULL ;
@@ -582,14 +569,14 @@ static int json_events(const char *fn, eventcode |=strtoul (code,NULL ,0 ) <<21 ;free (code); }else if (json_streq (map, field,"EventName" )) { -addfield (map, &name,"" ,"" , val); +addfield (map, &je.name,"" ,"" , val); }else if (json_streq (map, field,"BriefDescription" )) { -addfield (map, &desc,"" ,"" , val); -fixdesc (desc); +addfield (map, &je.desc,"" ,"" , val); +fixdesc (je.desc); }else if (json_streq (map, field,"PublicDescription" )) { -addfield (map, &long_desc,"" ,"" , val); -fixdesc (long_desc); +addfield (map, &je.long_desc,"" ,"" , val); +fixdesc (je.long_desc); }else if (json_streq (map, field,"PEBS" ) && nz) { precise = val; }else if (json_streq (map, field,"MSRIndex" ) && nz) {
@@ -609,34 +596,34 @@ static int json_events(const char *fn, ppmu =field_to_perf (unit_to_pmu, map, val);if (ppmu) { - pmu =strdup (ppmu); + je.pmu =strdup (ppmu); }else { -if (!pmu) - pmu =strdup ("uncore_" ); -addfield (map, &pmu,"" ,"" , val); -for (s = pmu; *s; s++) +if (!je.pmu) + je.pmu =strdup ("uncore_" ); +addfield (map, &je.pmu,"" ,"" , val); +for (s = je.pmu; *s; s++) *s =tolower (*s); } -addfield (map, &desc,". " ,"Unit: " ,NULL ); -addfield (map, &desc,"" , pmu,NULL ); -addfield (map, &desc,"" ," " ,NULL ); +addfield (map, &je.desc,". " ,"Unit: " ,NULL ); +addfield (map, &je.desc,"" , je.pmu,NULL ); +addfield (map, &je.desc,"" ," " ,NULL ); }else if (json_streq (map, field,"Filter" )) {addfield (map, &filter,"" ,"" , val); }else if (json_streq (map, field,"ScaleUnit" )) { -addfield (map, &unit,"" ,"" , val); +addfield (map, &je.unit,"" ,"" , val); }else if (json_streq (map, field,"PerPkg" )) { -addfield (map, &perpkg,"" ,"" , val); +addfield (map, &je.perpkg,"" ,"" , val); }else if (json_streq (map, field,"Deprecated" )) { -addfield (map, &deprecated,"" ,"" , val); +addfield (map, &je.deprecated,"" ,"" , val); }else if (json_streq (map, field,"MetricName" )) { -addfield (map, &metric_name,"" ,"" , val); +addfield (map, &je.metric_name,"" ,"" , val); }else if (json_streq (map, field,"MetricGroup" )) { -addfield (map, &metric_group,"" ,"" , val); +addfield (map, &je.metric_group,"" ,"" , val); }else if (json_streq (map, field,"MetricConstraint" )) { -addfield (map, &metric_constraint,"" ,"" , val); +addfield (map, &je.metric_constraint,"" ,"" , val); }else if (json_streq (map, field,"MetricExpr" )) { -addfield (map, &metric_expr,"" ,"" , val); -for (s = metric_expr; *s; s++) +addfield (map, &je.metric_expr,"" ,"" , val); +for (s = je.metric_expr; *s; s++) *s =tolower (*s); }else if (json_streq (map, field,"ArchStdEvent" )) {addfield (map, &arch_std,"" ,"" , val);
@@ -645,7 +632,7 @@ static int json_events(const char *fn, }/* ignore unknown fields */ } -if (precise && desc && !strstr (desc,"(Precise Event)" )) { +if (precise && je.desc && !strstr (je.desc,"(Precise Event)" )) {if (json_streq (map, precise,"2" ))addfield (map, &extra_desc," " ,"(Must be precise)" ,NULL );
@@ -655,48 +642,43 @@ static int json_events(const char *fn, }snprintf (buf,sizeof buf,"event=%#llx" , eventcode);addfield (map, &event,"," , buf,NULL ); -if (desc && extra_desc) -addfield (map, &desc," " , extra_desc,NULL ); -if (long_desc && extra_desc) -addfield (map, &long_desc," " , extra_desc,NULL ); +if (je.desc && extra_desc) +addfield (map, &je.desc," " , extra_desc,NULL ); +if (je.long_desc && extra_desc) +addfield (map, &je.long_desc," " , extra_desc,NULL );if (filter)addfield (map, &event,"," , filter,NULL );if (msr !=NULL )addfield (map, &event,"," , msr->pname, msrval); -if (name) -fixname (name); +if (je.name) +fixname (je.name);if (arch_std) {/* * An arch standard event is referenced, so try to * fixup any unassigned values. */ - err =try_fixup (fn, arch_std, &event, &desc, &name, - &long_desc, &pmu, &filter, &perpkg, - &unit, &metric_expr, &metric_name, - &metric_group, eventcode, - &deprecated, &metric_constraint); + err =try_fixup (fn, arch_std, eventcode, &je);if (err) goto free_strings; } - err =func (data, name,real_event (name, event), desc, long_desc, - pmu, unit, perpkg, metric_expr, metric_name, - metric_group, deprecated, metric_constraint); + je.event =real_event (je.name, event); + err =func (data, &je); free_strings:free (event); -free (desc); -free (name); -free (long_desc); +free (je.desc); +free (je.name); +free (je.long_desc);free (extra_desc); -free (pmu); +free (je.pmu);free (filter); -free (perpkg); -free (deprecated); -free (unit); -free (metric_expr); -free (metric_name); -free (metric_group); -free (metric_constraint); +free (je.perpkg); +free (je.deprecated); +free (je.unit); +free (je.metric_expr); +free (je.metric_name); +free (je.metric_group); +free (je.metric_constraint);free (arch_std);if (err)
Signature · 1 line
2.26.2
PATCH v8 3/5 perf jevents: Add support for parsing perchip/percore events
In reply to Kajol JainInitially, every time we want to add new terms like chip, core thread etc, we need to create corrsponding fields in pmu_events and event struct. This patch adds an enum called 'aggr_mode_class' which store all these aggregation like perchip/percore. It also adds new field 'aggr_mode' to capture these terms.
Now, if user wants to add any new term, they just need to add it in the enum defined.
--- tools/perf/pmu-events/jevents.c | 19 +++++++++++++++++++ tools/perf/pmu-events/pmu-events.h | 6 ++++++ 2 files changed, 25 insertions(+)
tools/perf/pmu-events/jevents.c +19 -0
@@ -48,6 +48,7 @@#include <linux/list.h> #include "jsmn.h" #include "json.h" +#include "pmu-events.h" int verbose;char *prog;
@@ -60,6 +61,7 @@ struct json_event {char *pmu;char *unit;char *perpkg; +char *aggr_mode;char *metric_expr;char *metric_name;char *metric_group;
@@ -67,6 +69,17 @@ struct json_event {char *metric_constraint; }; +enum aggr_mode_class convert (const char *aggr_mode) +{ +if (!strcmp (aggr_mode,"PerCore" )) +return PerCore; +else if (!strcmp (aggr_mode,"PerChip" )) +return PerChip; + +pr_err ("%s: Wrong AggregationMode value '%s'\n" , prog, aggr_mode); +return -1 ; +} +typedef int (*func )(void *data,struct json_event *je);int eprintf (int level,int var,const char *fmt, ...)
@@ -355,6 +368,8 @@ static int print_events_table_entry(void *data, struct json_event *je)fprintf (outfp,"\t.unit = \"%s\",\n" , je->unit);if (je->perpkg)fprintf (outfp,"\t.perpkg = \"%s\",\n" , je->perpkg); +if (je->aggr_mode) +fprintf (outfp,"\t.aggr_mode = \"%d\",\n" ,convert (je->aggr_mode));if (je->metric_expr)fprintf (outfp,"\t.metric_expr = \"%s\",\n" , je->metric_expr);if (je->metric_name)
@@ -379,6 +394,7 @@ struct event_struct {char *pmu;char *unit;char *perpkg; +char *aggr_mode;char *metric_expr;char *metric_name;char *metric_group;
@@ -408,6 +424,7 @@ struct event_struct {op (pmu); \op (unit); \op (perpkg); \ +op (aggr_mode); \op (metric_expr); \op (metric_name); \op (metric_group); \
@@ -613,6 +630,8 @@ static int json_events(const char *fn,addfield (map, &je.unit,"" ,"" , val); }else if (json_streq (map, field,"PerPkg" )) {addfield (map, &je.perpkg,"" ,"" , val); + }else if (json_streq (map, field,"AggregationMode" )) { +addfield (map, &je.aggr_mode,"" ,"" , val); }else if (json_streq (map, field,"Deprecated" )) {addfield (map, &je.deprecated,"" ,"" , val); }else if (json_streq (map, field,"MetricName" )) {
tools/perf/pmu-events/pmu-events.h +6 -0
@@ -2,6 +2,11 @@#ifndef PMU_EVENTS_H #define PMU_EVENTS_H +enum aggr_mode_class { + PerChip =1 , + PerCore +}; +/* * Describe each PMU event. Each CPU has a table of PMU events. */
@@ -14,6 +19,7 @@ struct pmu_event {const char *pmu;const char *unit;const char *perpkg; +const char *aggr_mode;const char *metric_expr;const char *metric_name;const char *metric_group;
Signature · 1 line
2.26.2
Re: [PATCH v8 3/5] perf jevents: Add support for parsing perchip/percore events
On Sun, Sep 06, 2020 at 04:50:02PM +0530, Kajol Jain wrote:
SNIP
Quoted 29 lines
typedef int (*func)(void *data, struct
json_event*je);int
eprintf(int level, int var, const char *fmt, ...)tools/perf/pmu-events/jevents.c +4
-0@@ -355,6 +368,8 @@ static int print_events_table_entry(void *data, struct json_event *je)fprintf (outfp,"\t.unit = \"%s\",\n" , je->unit);if (je->perpkg)fprintf (outfp,"\t.perpkg = \"%s\",\n" , je->perpkg); +if (je->aggr_mode) +fprintf (outfp,"\t.aggr_mode = \"%d\",\n" ,convert (je->aggr_mode));if (je->metric_expr)fprintf (outfp,"\t.metric_expr = \"%s\",\n" , je->metric_expr);if (je->metric_name)@@ -379,6 +394,7 @@ struct event_struct {char *pmu;char *unit;char *perpkg; +char *aggr_mode;char *metric_expr;char *metric_name;char *metric_group;@@ -408,6 +424,7 @@ struct event_struct {op (pmu); \op (unit); \op (perpkg); \ +op (aggr_mode); \op (metric_expr); \op (metric_name); \op (metric_group); \
tools/perf/pmu-events/jevents.c static int json_events(const char *fn, · line 634
Quoted 5 lines
tools/perf/pmu-events/jevents.c +2
-0@@ -613,6 +630,8 @@ static int json_events(const char *fn,addfield (map, &je.unit,"" ,"" , val); }else if (json_streq (map, field,"PerPkg" )) {addfield (map, &je.perpkg,"" ,"" , val); + }else if (json_streq (map, field,"AggregationMode" )) { +addfield (map, &je.aggr_mode,"" ,"" , val);
I think you should free je.aggr_mode
jirka
Quoted 30 lines
tools/perf/pmu-events/jevents.c +0
-0}else if (json_streq (map, field,"Deprecated" )) {addfield (map, &je.deprecated,"" ,"" , val); }else if (json_streq (map, field,"MetricName" )) {tools/perf/pmu-events/pmu-events.h +6
-0@@ -2,6 +2,11 @@#ifndef PMU_EVENTS_H #define PMU_EVENTS_H +enum aggr_mode_class { + PerChip =1 , + PerCore +}; +/* * Describe each PMU event. Each CPU has a table of PMU events. */ @@ -14,6 +19,7 @@ struct pmu_event {const char *pmu;const char *unit;const char *perpkg; +const char *aggr_mode;const char *metric_expr;const char *metric_name;const char *metric_group;Signature · 1 line
2.26.2
Re: [PATCH v8 3/5] perf jevents: Add support for parsing perchip/percore events
Quoted 32 lines · Jiri Olsa
On Sun, Sep 06, 2020 at 04:50:02PM +0530, Kajol Jain wrote:
SNIP
Quoted 28 lines
typedef int (*func)(void *data, struct
json_event*je);int
eprintf(int level, int var, const char *fmt, ...)tools/perf/pmu-events/jevents.c +4
-0@@ -355,6 +368,8 @@ static int print_events_table_entry(void *data, struct json_event *je)fprintf (outfp,"\t.unit = \"%s\",\n" , je->unit);if (je->perpkg)fprintf (outfp,"\t.perpkg = \"%s\",\n" , je->perpkg); +if (je->aggr_mode) +fprintf (outfp,"\t.aggr_mode = \"%d\",\n" ,convert (je->aggr_mode));if (je->metric_expr)fprintf (outfp,"\t.metric_expr = \"%s\",\n" , je->metric_expr);if (je->metric_name)@@ -379,6 +394,7 @@ struct event_struct {char *pmu;char *unit;char *perpkg; +char *aggr_mode;char *metric_expr;char *metric_name;char *metric_group;@@ -408,6 +424,7 @@ struct event_struct {op (pmu); \op (unit); \op (perpkg); \ +op (aggr_mode); \op (metric_expr); \op (metric_name); \op (metric_group); \
Quoted 8 lines
tools/perf/pmu-events/jevents.c static int json_events(const char *fn, · line 634
Quoted 6 lines
tools/perf/pmu-events/jevents.c +2
-0@@ -613,6 +630,8 @@ static int json_events(const char *fn,addfield (map, &je.unit,"" ,"" , val); }else if (json_streq (map, field,"PerPkg" )) {addfield (map, &je.perpkg,"" ,"" , val); + }else if (json_streq (map, field,"AggregationMode" )) { +addfield (map, &je.aggr_mode,"" ,"" , val);I think you should free je.aggr_mode
My bad, missed that part. Will send updated one.
Thanks,
Kajol Jain
Quoted 34 lines
jirka
Quoted 30 lines
tools/perf/pmu-events/jevents.c +0
-0}else if (json_streq (map, field,"Deprecated" )) {addfield (map, &je.deprecated,"" ,"" , val); }else if (json_streq (map, field,"MetricName" )) {tools/perf/pmu-events/pmu-events.h +6
-0@@ -2,6 +2,11 @@#ifndef PMU_EVENTS_H #define PMU_EVENTS_H +enum aggr_mode_class { + PerChip =1 , + PerCore +}; +/* * Describe each PMU event. Each CPU has a table of PMU events. */ @@ -14,6 +19,7 @@ struct pmu_event {const char *pmu;const char *unit;const char *perpkg; +const char *aggr_mode;const char *metric_expr;const char *metric_name;const char *metric_group;Signature · 1 line
2.26.2
PATCH v8 4/5 perf/tools: Pass pmu_event structure as a parameter for arch_get_runtimeparam
In reply to Kajol JainThis patch adds passing of pmu_event as a parameter in function 'arch_get_runtimeparam' which can be used to get details like if the event is percore/perchip.
--- tools/perf/arch/powerpc/util/header.c | 7 +++++-- tools/perf/util/metricgroup.c | 5 ++--- tools/perf/util/metricgroup.h | 3 ++- 3 files changed, 9 insertions(+), 6 deletions(-)
tools/perf/arch/powerpc/util/header.c +5 -2
@@ -40,8 +40,11 @@ get_cpuid_str(struct perf_pmu *pmu __maybe_unused)return bufp; } -int arch_get_runtimeparam (void ) +int arch_get_runtimeparam (struct pmu_event *pe) {int count; -return sysfs__read_int ("/devices/hv_24x7/interface/sockets" , &count) <0 ?1 : count; +char path[PATH_MAX ] ="/devices/hv_24x7/interface/" ; + +atoi (pe->aggr_mode) == PerChip ?strcat (path,"sockets" ) :strcat (path,"coresperchip" ); +return sysfs__read_int (path, &count) <0 ?1 : count; }
tools/perf/util/metricgroup.c +2 -3
@@ -15,7 +15,6 @@#include "rblist.h" #include <string.h> #include <errno.h> -#include "pmu-events/pmu-events.h" #include "strlist.h" #include <assert.h> #include <linux/ctype.h>
@@ -634,7 +633,7 @@ static bool metricgroup__has_constraint(struct pmu_event *pe)return false; } -int __weak arch_get_runtimeparam (void ) +int __weak arch_get_runtimeparam (struct pmu_event *pe__maybe_unused ) {return 1 ; }
@@ -902,7 +901,7 @@ static int add_metric(struct list_head *metric_list, }else {int j, count; - count =arch_get_runtimeparam (); + count =arch_get_runtimeparam (pe);/* This loop is added to create multiple * events depend on count value and add
tools/perf/util/metricgroup.h +2 -1
@@ -5,6 +5,7 @@#include <linux/list.h> #include <linux/rbtree.h> #include <stdbool.h> +#include "pmu-events/pmu-events.h" struct evsel ;struct evlist ;
@@ -52,6 +53,6 @@ int metricgroup__parse_groups_test(struct evlist *evlist,void metricgroup__print (bool metrics,bool groups,char *filter,bool raw,bool details);bool metricgroup__has_metric (const char *metric); -int arch_get_runtimeparam (void ); +int arch_get_runtimeparam (struct pmu_event *pe__maybe_unused );void metricgroup__rblist_exit (struct rblist *metric_events);#endif
Signature · 1 line
2.26.2
PATCH v8 5/5 perf/tools/pmu_events/powerpc: Add hv_24x7 core level metric events
In reply to Kajol JainThis patch adds hv_24x7 core level events in nest_metric.json file and also add PerChip/PerCore field in metric events.
Result:
power9 platform:
command:# ./perf stat --metric-only -M PowerBUS_Frequency -C 0 -I 1000
1.000070601 1.9 2.0
2.000253881 2.0 1.9
3.000364810 2.0 2.0--- .../arch/powerpc/power9/nest_metrics.json | 35 ++++++++++++------- 1 file changed, 22 insertions(+), 13 deletions(-)
tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json +22 -13
@@ -1,37 +1,46 @@ [ { - "MetricExpr": "(hv_24x7@PM_MCS01_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_RD_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT23\\,chip\\=?@)", - "MetricName": "Memory_RD_BW_Chip", - "MetricGroup": "Memory_BW", - "ScaleUnit": "1.6e-2MB" + "MetricExpr": "(hv_24x7@PM_MCS01_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_RD_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT23\\,chip\\=?@)", + "MetricName": "Memory_RD_BW_Chip", + "MetricGroup": "Memory_BW", + "ScaleUnit": "1.6e-2MB", + "AggregationMode": "PerChip" }, { "MetricExpr": "(hv_24x7@PM_MCS01_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_WR_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT23\\,chip\\=?@ )", - "MetricName": "Memory_WR_BW_Chip", - "MetricGroup": "Memory_BW", - "ScaleUnit": "1.6e-2MB" + "MetricName": "Memory_WR_BW_Chip", + "MetricGroup": "Memory_BW", + "ScaleUnit": "1.6e-2MB", + "AggregationMode": "PerChip" }, { "MetricExpr": "(hv_24x7@PM_PB_CYC\\,chip\\=?@ )", - "MetricName": "PowerBUS_Frequency", - "ScaleUnit": "2.5e-7GHz" + "MetricName": "PowerBUS_Frequency", + "ScaleUnit": "2.5e-7GHz", + "AggregationMode": "PerChip" + }, + { + "MetricExpr": "(hv_24x7@CPM_CS_32MHZ_CYC\\,domain\\=3\\,core\\=?@ )", + "MetricName": "CPM_CS_32MHZ_CYC", + "ScaleUnit": "1MHz", + "AggregationMode": "PerCore" }, { "MetricExpr" : "nest_mcs01_imc@PM_MCS01_128B_RD_DISP_PORT01@ + nest_mcs01_imc@PM_MCS01_128B_RD_DISP_PORT23@", "MetricName" : "mcs01-read", - "MetricGroup" : "memory_bw", + "MetricGroup" : "memory-bandwidth", "ScaleUnit": "6.1e-5MB" }, { "MetricExpr" : "nest_mcs23_imc@PM_MCS23_128B_RD_DISP_PORT01@ + nest_mcs23_imc@PM_MCS23_128B_RD_DISP_PORT23@", "MetricName" : "mcs23-read", - "MetricGroup" : "memory_bw", + "MetricGroup" : "memory-bandwidth", "ScaleUnit": "6.1e-5MB" }, { "MetricExpr" : "nest_mcs01_imc@PM_MCS01_128B_WR_DISP_PORT01@ + nest_mcs01_imc@PM_MCS01_128B_WR_DISP_PORT23@", "MetricName" : "mcs01-write", - "MetricGroup" : "memory_bw", + "MetricGroup" : "memory-bandwidth", "ScaleUnit": "6.1e-5MB" }, {
@@ -48,7 +57,7 @@ { "MetricExpr" : "(nest_mcs01_imc@PM_MCS01_128B_RD_DISP_PORT01@ + nest_mcs01_imc@PM_MCS01_128B_RD_DISP_PORT23@ + nest_mcs23_imc@PM_MCS23_128B_RD_DISP_PORT01@ + nest_mcs23_imc@PM_MCS23_128B_RD_DISP_PORT23@ + nest_mcs01_imc@PM_MCS01_128B_WR_DISP_PORT01@ + nest_mcs01_imc@PM_MCS01_128B_WR_DISP_PORT23@ + nest_mcs23_imc@PM_MCS23_128B_WR_DISP_PORT01@ + nest_mcs23_imc@PM_MCS23_128B_WR_DISP_PORT23@)", "MetricName" : "Memory-bandwidth-MCS", - "MetricGroup" : "memory_bw", + "MetricGroup" : "memory-bandwidth", "ScaleUnit": "6.1e-5MB" } ]
Signature · 1 line
2.26.2