Re: [PATCH v1] perf list: Fix topic and pmu_name argument order

["Liang, Kan" <kan.liang@linux.intel.com>]

On 2024-11-08 9:58 p.m., Ian Rogers wrote:
> From: Jean-Philippe Romain <jean-philippe.romain@foss.st.com>
> 
> Fix function definitions to match header file declaration. Fix two
> callers to pass the arguments in the right order.
> 
> On Intel Tigerlake, before:
> ```
> $ perf list -j|grep "\"Topic\""|sort|uniq
>         "Topic": "cache",
>         "Topic": "cpu",
>         "Topic": "floating point",
>         "Topic": "frontend",
>         "Topic": "memory",
>         "Topic": "other",
>         "Topic": "pfm icl",
>         "Topic": "pfm ix86arch",
>         "Topic": "pfm perf_raw",
>         "Topic": "pipeline",
>         "Topic": "tool",
>         "Topic": "uncore interconnect",
>         "Topic": "uncore memory",
>         "Topic": "uncore other",
>         "Topic": "virtual memory",
> $ perf list -j|grep "\"Unit\""|sort|uniq
>         "Unit": "cache",
>         "Unit": "cpu",
>         "Unit": "cstate_core",
>         "Unit": "cstate_pkg",
>         "Unit": "i915",
>         "Unit": "icl",
>         "Unit": "intel_bts",
>         "Unit": "intel_pt",
>         "Unit": "ix86arch",
>         "Unit": "msr",
>         "Unit": "perf_raw",
>         "Unit": "power",
>         "Unit": "tool",
>         "Unit": "uncore_arb",
>         "Unit": "uncore_clock",
>         "Unit": "uncore_imc_free_running_0",
>         "Unit": "uncore_imc_free_running_1",
> ```
> 
> After:
> ```
> $ perf list -j|grep "\"Topic\""|sort|uniq
>         "Topic": "cache",
>         "Topic": "floating point",
>         "Topic": "frontend",
>         "Topic": "memory",
>         "Topic": "other",
>         "Topic": "pfm icl",
>         "Topic": "pfm ix86arch",
>         "Topic": "pfm perf_raw",
>         "Topic": "pipeline",
>         "Topic": "tool",
>         "Topic": "uncore interconnect",
>         "Topic": "uncore memory",
>         "Topic": "uncore other",
>         "Topic": "virtual memory",
> $ perf list -j|grep "\"Unit\""|sort|uniq
>         "Unit": "cpu",
>         "Unit": "cstate_core",
>         "Unit": "cstate_pkg",
>         "Unit": "i915",
>         "Unit": "icl",
>         "Unit": "intel_bts",
>         "Unit": "intel_pt",
>         "Unit": "ix86arch",
>         "Unit": "msr",
>         "Unit": "perf_raw",
>         "Unit": "power",
>         "Unit": "tool",
>         "Unit": "uncore_arb",
>         "Unit": "uncore_clock",
>         "Unit": "uncore_imc_free_running_0",
>         "Unit": "uncore_imc_free_running_1",
> ```
> 
> Fixes: e5c6109f4813 ("perf list: Reorganize to use callbacks to allow honouring command line options")
> Signed-off-by: Jean-Philippe Romain <jean-philippe.romain@foss.st.com>
> Tested-by: Ian Rogers <irogers@google.com>

Reviewed-by: Kan Liang <kan.liang@linux.intel.com>

Thanks,
Kan

> ---
> Note from Ian, I fixed the two callers and added it to
> Jean-Phillippe's original change.
> ---
>  tools/perf/builtin-list.c | 4 ++--
>  tools/perf/util/pfm.c     | 4 ++--
>  tools/perf/util/pmus.c    | 2 +-
>  3 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
> index b8378ba18c28..9e7fdfcdd7ff 100644
> --- a/tools/perf/builtin-list.c
> +++ b/tools/perf/builtin-list.c
> @@ -113,7 +113,7 @@ static void wordwrap(FILE *fp, const char *s, int start, int max, int corr)
>  	}
>  }
>  
> -static void default_print_event(void *ps, const char *pmu_name, const char *topic,
> +static void default_print_event(void *ps, const char *topic, const char *pmu_name,
>  				const char *event_name, const char *event_alias,
>  				const char *scale_unit __maybe_unused,
>  				bool deprecated, const char *event_type_desc,
> @@ -354,7 +354,7 @@ static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ..
>  	fputs(buf->buf, fp);
>  }
>  
> -static void json_print_event(void *ps, const char *pmu_name, const char *topic,
> +static void json_print_event(void *ps, const char *topic, const char *pmu_name,
>  			     const char *event_name, const char *event_alias,
>  			     const char *scale_unit,
>  			     bool deprecated, const char *event_type_desc,
> diff --git a/tools/perf/util/pfm.c b/tools/perf/util/pfm.c
> index 5ccfe4b64cdf..0dacc133ed39 100644
> --- a/tools/perf/util/pfm.c
> +++ b/tools/perf/util/pfm.c
> @@ -233,7 +233,7 @@ print_libpfm_event(const struct print_callbacks *print_cb, void *print_state,
>  	}
>  
>  	if (is_libpfm_event_supported(name, cpus, threads)) {
> -		print_cb->print_event(print_state, pinfo->name, topic,
> +		print_cb->print_event(print_state, topic, pinfo->name,
>  				      name, info->equiv,
>  				      /*scale_unit=*/NULL,
>  				      /*deprecated=*/NULL, "PFM event",
> @@ -267,8 +267,8 @@ print_libpfm_event(const struct print_callbacks *print_cb, void *print_state,
>  				continue;
>  
>  			print_cb->print_event(print_state,
> -					pinfo->name,
>  					topic,
> +					pinfo->name,
>  					name, /*alias=*/NULL,
>  					/*scale_unit=*/NULL,
>  					/*deprecated=*/NULL, "PFM event",
> diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c
> index 107de86c2637..6d4c7c9ecf3a 100644
> --- a/tools/perf/util/pmus.c
> +++ b/tools/perf/util/pmus.c
> @@ -501,8 +501,8 @@ void perf_pmus__print_pmu_events(const struct print_callbacks *print_cb, void *p
>  			goto free;
>  
>  		print_cb->print_event(print_state,
> -				aliases[j].pmu_name,
>  				aliases[j].topic,
> +				aliases[j].pmu_name,
>  				aliases[j].name,
>  				aliases[j].alias,
>  				aliases[j].scale_unit,