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From: Namhyung Kim <namhyung@kernel.org>
To: Milian Wolff <milian.wolff@kdab.com>
Cc: Linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	David Ahern <dsahern@gmail.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Yao Jin <yao.jin@linux.intel.com>,
	kernel-team@lge.com
Subject: Re: [PATCH 6/7] perf report: mark inlined frames in output by " (inlined)" suffix
Date: Mon, 22 May 2017 21:48:18 +0900	[thread overview]
Message-ID: <20170522124818.GE20009@sejong> (raw)
In-Reply-To: <20170518193411.22380-7-milian.wolff@kdab.com>

On Thu, May 18, 2017 at 09:34:10PM +0200, Milian Wolff wrote:
> The original patch that introduced inline frame output in the
> various browsers used this suffix already. The new centralized
> approach that uses fake symbols for inlined frames was missing
> this approach so far.
> 
> Instead of changing the symbol name itself, we only print the
> suffix where needed. This allows us to efficiently lookup
> the symbol for a given name without first having to append the
> suffix before the lookup.

You also need to do same thing for hist_entry__sym_snprintf().

Thanks,
Namhyung


> 
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> Cc: David Ahern <dsahern@gmail.com>
> Cc: Namhyung Kim <namhyung@kernel.org>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Yao Jin <yao.jin@linux.intel.com>
> Signed-off-by: Milian Wolff <milian.wolff@kdab.com>
> ---
>  tools/perf/util/callchain.c | 10 +++++++---
>  1 file changed, 7 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
> index 211ed3713fac..4350c7ceaca1 100644
> --- a/tools/perf/util/callchain.c
> +++ b/tools/perf/util/callchain.c
> @@ -1061,11 +1061,15 @@ char *callchain_list__sym_name(struct callchain_list *cl,
>  	int printed;
>  
>  	if (cl->ms.sym) {
> +		const char *inlined = cl->ms.sym->inlined ? " (inlined)" : "";
> +
>  		if (show_srcline && cl->srcline)
> -			printed = scnprintf(bf, bfsize, "%s %s",
> -					cl->ms.sym->name, cl->srcline);
> +			printed = scnprintf(bf, bfsize, "%s %s%s",
> +					    cl->ms.sym->name, cl->srcline,
> +					    inlined);
>  		else
> -			printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
> +			printed = scnprintf(bf, bfsize, "%s%s",
> +					    cl->ms.sym->name, inlined);
>  	} else
>  		printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
>  
> -- 
> 2.13.0
> 

  reply	other threads:[~2017-05-22 12:48 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-18 19:34 [PATCH 0/7] generate full callchain cursor entries for inlined frames Milian Wolff
2017-05-18 19:34 ` [PATCH 1/7] perf report: remove code to handle inline frames from browsers Milian Wolff
2017-05-18 19:34 ` [PATCH 2/7] perf util: take elf_name as const string in dso__demangle_sym Milian Wolff
2017-05-18 19:34 ` [PATCH 3/7] perf report: create real callchain entries for inlined frames Milian Wolff
2017-05-22 12:19   ` Namhyung Kim
2017-05-24 11:41     ` Milian Wolff
2017-05-18 19:34 ` [PATCH 4/7] perf report: use srcline from " Milian Wolff
2017-05-18 19:34 ` [PATCH 5/7] perf report: fall-back to function name comparison for -g srcline Milian Wolff
2017-05-18 19:34 ` [PATCH 6/7] perf report: mark inlined frames in output by " (inlined)" suffix Milian Wolff
2017-05-22 12:48   ` Namhyung Kim [this message]
2017-05-24 11:46     ` Milian Wolff
2017-06-03 13:51     ` Milian Wolff
2017-06-06  1:33       ` Namhyung Kim
2017-06-06  7:26         ` Milian Wolff
2017-06-06 19:52           ` Arnaldo Carvalho de Melo
2017-05-18 19:34 ` [PATCH 7/7] perf script: mark inlined frames and do not print DSO for them Milian Wolff
2017-05-22 12:11   ` Namhyung Kim
2017-05-24 11:40     ` Milian Wolff
2017-05-18 20:05 ` [PATCH 0/7] generate full callchain cursor entries for inlined frames Milian Wolff
2017-05-22  9:06   ` Namhyung Kim
2017-05-24 11:46     ` Milian Wolff
2017-05-24 13:42       ` Milian Wolff
2017-05-24 15:02         ` Namhyung Kim
2017-05-29 18:36           ` Milian Wolff
2017-05-30  1:33             ` Namhyung Kim
2017-05-22 12:09 ` Namhyung Kim

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