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From: Jiri Olsa <jolsa@redhat.com>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, David Ahern <dsahern@gmail.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Namhyung Kim <namhyung@gmail.com>,
	Paul Mackerras <paulus@samba.org>,
	Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 13/41] perf tools: Add machine__kernel_ip()
Date: Mon, 11 Aug 2014 14:43:30 +0200	[thread overview]
Message-ID: <20140811124330.GA31858@krava.brq.redhat.com> (raw)
In-Reply-To: <53E8B8D8.4040809@intel.com>

On Mon, Aug 11, 2014 at 03:36:40PM +0300, Adrian Hunter wrote:
> On 08/11/2014 03:23 PM, Jiri Olsa wrote:
> > On Wed, Jul 16, 2014 at 05:22:22PM +0300, Adrian Hunter wrote:
> >> On 16/07/2014 5:15 p.m., Jiri Olsa wrote:
> >>> On Mon, Jul 14, 2014 at 01:02:37PM +0300, Adrian Hunter wrote:
> >>>
> >>> SNIP
> >>>
> >>>> +
> >>>> +int machine__get_kernel_start(struct machine *machine)
> >>>> +{
> >>>> +	struct map *map = machine__kernel_map(machine, MAP__FUNCTION);
> >>>> +	int err = 0;
> >>>> +
> >>>> +	/*
> >>>> +	 * The only addresses above 2^63 are kernel addresses of a 64-bit
> >>>> +	 * kernel.  Note that addresses are unsigned so that on a 32-bit system
> >>>> +	 * all addresses including kernel addresses are less than 2^32.  In
> >>>> +	 * that case (32-bit system), if the kernel mapping is unknown, all
> >>>> +	 * addresses will be assumed to be in user space - see
> >>>> +	 * machine__kernel_ip().
> >>>> +	 */
> >>>> +	machine->kernel_start = 1ULL << 63;
> >>>> +	if (map) {
> >>>> +		err = map__load(map, machine->symbol_filter);
> >>>> +		if (map->start)
> >>>> +			machine->kernel_start = map->start;
> >>>> +	}
> >>>> +	return err;
> >>>> +}
> >>>
> >>> we just recently got machine__get_kernel_start_addr function,
> >>> I think we want just one function for this
> >>
> >> They do quite different things.
> >>
> > 
> > so one of those two should have different name
> 
> Such as?

dont know ;-) but if they do 'quite different things' as u said,
I expect to see that at least in the function name

jirka

  reply	other threads:[~2014-08-11 12:44 UTC|newest]

Thread overview: 122+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-14 10:02 [PATCH 00/41] perf tools: Preparation for call graph from Intel BTS Adrian Hunter
2014-07-14 10:02 ` [PATCH 01/41] perf tools: Fix the value used for unknown pids Adrian Hunter
2014-07-18  4:23   ` [tip:perf/core] perf machine: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 02/41] perf tools: Fix map groups of threads with " Adrian Hunter
2014-07-14 20:18   ` Arnaldo Carvalho de Melo
2014-07-15 11:33     ` Adrian Hunter
2014-07-15 19:33       ` Arnaldo Carvalho de Melo
2014-07-16  8:07         ` [PATCH V2 " Adrian Hunter
2014-07-18  4:26           ` [tip:perf/core] perf machine: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 03/41] perf script: Display PERF_RECORD_MISC_COMM_EXEC flag Adrian Hunter
2014-07-18  4:23   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 04/41] perf record: Select comm_exec flag if supported Adrian Hunter
2014-07-18  4:23   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 05/41] perf tools: Identify which comms are from exec Adrian Hunter
2014-07-14 20:32   ` Arnaldo Carvalho de Melo
2014-07-15 11:43     ` Adrian Hunter
2014-07-23 14:07       ` Arnaldo Carvalho de Melo
2014-07-23 14:09         ` Arnaldo Carvalho de Melo
2014-07-23 16:46           ` Adrian Hunter
2014-07-23 16:53             ` Arnaldo Carvalho de Melo
2014-07-14 10:02 ` [PATCH 06/41] perf tools: Add machine__thread_exec_comm() Adrian Hunter
2014-07-14 10:02 ` [PATCH 07/41] perf tools: Fix missing kernel map load Adrian Hunter
2014-07-18  4:23   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 08/41] perf tools: Fix missing label symbols Adrian Hunter
2014-07-14 20:38   ` Arnaldo Carvalho de Melo
2014-07-15 12:11     ` Adrian Hunter
2014-07-14 10:02 ` [PATCH 09/41] perf tools: Fix missing GNU IFUNC symbols Adrian Hunter
2014-07-18  4:24   ` [tip:perf/core] perf symbols: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 10/41] perf inject: Fix build id injection Adrian Hunter
2014-07-18  4:24   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 11/41] perf tools: Fix appending a callchain from a previous sample Adrian Hunter
2014-07-18  4:24   ` [tip:perf/core] perf callchain: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 12/41] perf tools: Fix leak of 'struct thread' on error path Adrian Hunter
2014-07-14 20:43   ` Arnaldo Carvalho de Melo
2014-07-16  7:19     ` [PATCH V2 0/2] perf tools: Allow deletion of a thread with no map groups Adrian Hunter
2014-07-16  7:19       ` [PATCH 1/2] " Adrian Hunter
2014-07-18  4:27         ` [tip:perf/core] perf thread: " tip-bot for Adrian Hunter
2014-07-16  7:19       ` [PATCH V2 2/2] perf tools: Fix leak of 'struct thread' on error path Adrian Hunter
2014-07-18  4:27         ` [tip:perf/core] perf machine: " tip-bot for Adrian Hunter
2014-07-16 14:02   ` [PATCH 12/41] perf tools: " Jiri Olsa
2014-07-16 14:26     ` Adrian Hunter
2014-07-14 10:02 ` [PATCH 13/41] perf tools: Add machine__kernel_ip() Adrian Hunter
2014-07-16 14:15   ` Jiri Olsa
2014-07-16 14:22     ` Adrian Hunter
2014-08-11 12:23       ` Jiri Olsa
2014-08-11 12:36         ` Adrian Hunter
2014-08-11 12:43           ` Jiri Olsa [this message]
2014-08-11 12:46             ` Adrian Hunter
2014-08-11 12:55               ` Jiri Olsa
2014-07-14 10:02 ` [PATCH 14/41] perf buildid-cache: Apply force option to copying kcore Adrian Hunter
2014-07-18  4:24   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 15/41] perf script: Improve srcline display for BTS Adrian Hunter
2014-07-15 14:16   ` Arnaldo Carvalho de Melo
2014-07-15 17:51     ` Adrian Hunter
2014-07-16  2:08     ` David Ahern
2014-07-14 10:02 ` [PATCH 16/41] perf script: Do not print dangling '=>' " Adrian Hunter
2014-07-14 10:02 ` [PATCH 17/41] perf tools: Record whether a dso is 64-bit Adrian Hunter
2014-07-18  4:24   ` [tip:perf/core] perf symbols: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 18/41] perf tools: Record whether a dso has data Adrian Hunter
2014-07-16 14:20   ` Jiri Olsa
2014-07-17  8:43     ` [PATCH 0/2] perf tools: Fix incorrect fd error comparison Adrian Hunter
2014-07-17  8:43       ` [PATCH 1/2] " Adrian Hunter
2014-07-22  7:51         ` Jiri Olsa
2014-07-28  8:21         ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-17  8:43       ` [PATCH V2 2/2] perf tools: Record whether a dso has data Adrian Hunter
2014-07-17  8:58         ` [PATCH V3] " Adrian Hunter
2014-07-22  7:55           ` Jiri Olsa
2014-07-22 13:24             ` Adrian Hunter
2014-07-14 10:02 ` [PATCH 19/41] perf tools: Do not attempt to read data from kallsyms Adrian Hunter
2014-07-18  4:25   ` [tip:perf/core] perf symbols: " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 20/41] perf tools: Let a user specify a PMU event without any config terms Adrian Hunter
2014-07-16 14:25   ` Jiri Olsa
2014-07-16 15:04     ` Adrian Hunter
2014-07-16 18:22       ` Jiri Olsa
2014-08-29 18:48         ` Adrian Hunter
2014-08-30  8:53           ` Jiri Olsa
2014-09-01  6:27             ` Adrian Hunter
2014-09-01 19:11               ` Jiri Olsa
2014-09-02  5:39                 ` Adrian Hunter
2014-09-02  9:17                   ` Jiri Olsa
2014-09-01 15:51             ` Arnaldo Carvalho de Melo
2014-09-01 19:15               ` Jiri Olsa
2014-07-14 10:02 ` [PATCH 21/41] perf tools: Let default config be defined for a PMU Adrian Hunter
2014-07-14 10:02 ` [PATCH 22/41] perf tools: Add perf_pmu__scan_file() Adrian Hunter
2014-07-14 10:02 ` [PATCH 23/41] perf tools: Add dsos__hit_all() Adrian Hunter
2014-07-14 10:02 ` [PATCH 24/41] perf tools: Add cpu to struct thread Adrian Hunter
2014-07-15 14:24   ` Arnaldo Carvalho de Melo
2014-07-15 17:58     ` Adrian Hunter
2014-07-14 10:02 ` [PATCH 25/41] perf tools: Add ability to record the current tid for each cpu Adrian Hunter
2014-07-14 10:02 ` [PATCH 26/41] perf tools: Add ability to iterate over a dso's symbols Adrian Hunter
2014-07-18  4:25   ` [tip:perf/core] perf symbols: Add ability to iterate over a dso' s symbols tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 27/41] perf session: Flag if the event stream is entirely in memory Adrian Hunter
2014-07-18  4:25   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 28/41] perf evlist: Pass mmap parameters in a struct Adrian Hunter
2014-07-18  4:25   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 29/41] perf tools: Add feature test for __sync_val_compare_and_swap Adrian Hunter
2014-07-18  4:26   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 30/41] perf tools: Add option macro OPT_CALLBACK_OPTARG Adrian Hunter
2014-07-18  4:26   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 31/41] perf evlist: Add perf_evlist__set_tracking_event() Adrian Hunter
2014-07-14 10:02 ` [PATCH 32/41] perf evsel: Add 'no_aux_samples' option Adrian Hunter
2014-07-18  4:26   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 33/41] perf evsel: Add 'immediate' option Adrian Hunter
2014-07-18  4:26   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:02 ` [PATCH 34/41] perf evlist: Add 'system_wide' option Adrian Hunter
2014-07-15 15:03   ` Arnaldo Carvalho de Melo
2014-07-15 18:05     ` Adrian Hunter
2014-08-11 13:12   ` Jiri Olsa
2014-08-12  5:52     ` Adrian Hunter
2014-07-14 10:02 ` [PATCH 35/41] perf tools: Add id index Adrian Hunter
2014-07-14 10:03 ` [PATCH 36/41] perf pmu: Let pmu's with no events show up on perf list Adrian Hunter
2014-07-14 10:03 ` [PATCH 37/41] perf session: Add ability to skip 4GiB or more Adrian Hunter
2014-07-14 10:03 ` [PATCH 38/41] perf session: Add perf_session__deliver_synth_event() Adrian Hunter
2014-07-15 15:17   ` Arnaldo Carvalho de Melo
2014-07-15 18:32     ` Adrian Hunter
2014-07-14 10:03 ` [PATCH 39/41] perf tools: Allow TSC conversion on any arch Adrian Hunter
2014-07-15 15:20   ` Arnaldo Carvalho de Melo
2014-07-15 16:17     ` Peter Zijlstra
2014-07-15 17:48     ` Adrian Hunter
2014-07-18  4:28   ` [tip:perf/core] " tip-bot for Adrian Hunter
2014-07-14 10:03 ` [PATCH 40/41] perf tools: Move rdtsc() function Adrian Hunter
2014-07-14 10:03 ` [PATCH 41/41] perf evlist: Add perf_evlist__enable_event_idx() Adrian Hunter

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