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From: David Ahern <dsahern@gmail.com>
To: Namhyung Kim <namhyung@kernel.org>,
	Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Jiri Olsa <jolsa@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Subject: Re: [PATCH v2 2/4] perf tools: Add link argument to dso__find_symbol_by_name()
Date: Wed, 14 Jan 2015 09:36:34 -0700	[thread overview]
Message-ID: <54B69B12.50409@gmail.com> (raw)
In-Reply-To: <1421234288-22758-2-git-send-email-namhyung@kernel.org>

On 1/14/15 4:18 AM, Namhyung Kim wrote:
> @@ -414,10 +414,24 @@ static struct symbol *symbols__find_by_name(struct rb_root *symbols,
>   		else if (cmp > 0)
>   			n = n->rb_right;
>   		else
> -			return &s->sym;
> +			break;
>   	}
>
> -	return NULL;
> +	if (n == NULL)
> +		return NULL;
> +
> +	/* return first symbol that has same name (if any) */
> +	for (n = rb_prev(n); n; n = rb_prev(n)) {
> +		struct symbol_name_rb_node *tmp;
> +
> +		tmp = rb_entry(n, struct symbol_name_rb_node, rb_node);
> +		if (strcmp(tmp->sym.name, s->sym.name))

strcmp() == 0?

> +			break;
> +
> +		s = tmp;
> +	}
> +
> +	return &s->sym;
>   }
>
>   struct symbol *dso__find_symbol(struct dso *dso,


  reply	other threads:[~2015-01-14 16:36 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-14 11:18 [PATCH v2 1/4] perf tools: Fix segfault for symbol annotation on TUI Namhyung Kim
2015-01-14 11:18 ` [PATCH v2 2/4] perf tools: Add link argument to dso__find_symbol_by_name() Namhyung Kim
2015-01-14 16:36   ` David Ahern [this message]
2015-01-15  0:23     ` Namhyung Kim
2015-01-15  0:42       ` David Ahern
2015-01-28 15:01   ` [tip:perf/core] perf symbols: Return the first entry with a given name in find_by_name method tip-bot for Namhyung Kim
2015-01-14 11:18 ` [PATCH v2 3/4] perf probe: Do not rely on map__load() filter to find symbols Namhyung Kim
2015-01-14 13:54   ` Arnaldo Carvalho de Melo
2015-01-15 12:09     ` Masami Hiramatsu
2015-01-28 15:02   ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-01-14 11:18 ` [PATCH v2 4/4] perf probe: Fix probing kretprobes Namhyung Kim
2015-01-14 16:26   ` Jiri Olsa
2015-01-15 12:11   ` Masami Hiramatsu
2015-01-28 15:02   ` [tip:perf/core] " tip-bot for Namhyung Kim
2015-01-14 12:57 ` [PATCH v2 1/4] perf tools: Fix segfault for symbol annotation on TUI Arnaldo Carvalho de Melo
2015-01-14 14:57 ` David Ahern
2015-01-14 21:08   ` Arnaldo Carvalho de Melo
2015-01-15  0:20     ` Namhyung Kim
2015-01-17 12:38       ` Arnaldo Carvalho de Melo
2015-01-17 10:13 ` [tip:perf/urgent] " tip-bot for Namhyung Kim

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