From: "Alex Bennée" <alex.bennee@linaro.org>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
cota@braap.org,
"Vanderson M. do Rosario" <vandersonmr2@gmail.com>,
qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH v9 01/13] accel/tcg: introduce TBStatistics structure
Date: Fri, 13 Dec 2019 11:14:13 +0000 [thread overview]
Message-ID: <87blscbhq2.fsf@linaro.org> (raw)
In-Reply-To: <ca3b67ec-8cf7-26f3-5cfe-7a330e11571e@linaro.org>
Richard Henderson <richard.henderson@linaro.org> writes:
> On 10/7/19 11:28 AM, Alex Bennée wrote:
>> From: "Vanderson M. do Rosario" <vandersonmr2@gmail.com>
>>
>> To store statistics for each TB, we created a TBStatistics structure
>> which is linked with the TBs. TBStatistics can stay alive after
>> tb_flush and be relinked to a regenerated TB. So the statistics can
>> be accumulated even through flushes.
>>
>> The goal is to have all present and future qemu/tcg statistics and
>> meta-data stored in this new structure.
>>
>> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
>> Signed-off-by: Vanderson M. do Rosario <vandersonmr2@gmail.com>
>> Message-Id: <20190829173437.5926-2-vandersonmr2@gmail.com>
>> [AJB: fix git author, review comments]
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>>
>> ---
>> AJB
>> - move tcg_collect_tb_stats inside tb-stats.c
>> - add spdx header
>> - drop tb from tbstats and associated functions
>> ---
>
> The only quibble I have is with
>
>> +void init_tb_stats_htable_if_not(void);
>
> If not what?
>
> I can only imagine that this phrase is intended to finish "if not initialized".
> But I think it's clearer to just call this "init_tb_stats_htable".
Fixed.
>
>> +void enable_collect_tb_stats(void)
>> +{
>> + init_tb_stats_htable_if_not();
>
> Why do we need to do this again, since we did this in tb_htable_init?
This is the route if we dynamically enable tb-stats with an already
running system emulation.
--
Alex Bennée
next prev parent reply other threads:[~2019-12-13 21:23 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 15:28 [PATCH v9 00/13] TCG code quality tracking and perf integration Alex Bennée
2019-10-07 15:28 ` [PATCH v9 01/13] accel/tcg: introduce TBStatistics structure Alex Bennée
2019-10-08 12:35 ` Richard Henderson
2019-12-13 11:14 ` Alex Bennée [this message]
2019-10-07 15:28 ` [PATCH v9 02/13] accel: collecting TB execution count Alex Bennée
2019-10-08 13:10 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 03/13] accel: collecting JIT statistics Alex Bennée
2019-10-08 13:38 ` Richard Henderson
2019-12-13 11:51 ` Alex Bennée
2019-10-07 15:28 ` [PATCH v9 04/13] accel: replacing part of CONFIG_PROFILER with TBStats Alex Bennée
2019-10-08 13:58 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 05/13] accel: adding TB_JIT_TIME and full replacing CONFIG_PROFILER Alex Bennée
2019-10-08 15:25 ` Richard Henderson
2019-12-13 21:49 ` Alex Bennée
2019-12-16 20:34 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 06/13] debug: add -d tb_stats to control TBStatistics collection: Alex Bennée
2019-10-08 15:34 ` Richard Henderson
2019-10-08 15:49 ` Alex Bennée
2019-10-07 15:28 ` [PATCH v9 07/13] monitor: adding tb_stats hmp command Alex Bennée
2019-10-08 15:48 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 08/13] tb-stats: reset the tracked TBs on a tb_flush Alex Bennée
2019-10-08 18:00 ` Richard Henderson
2019-10-08 19:18 ` Alex Bennée
2019-10-07 15:28 ` [PATCH v9 09/13] Adding info [tb-list|tb] commands to HMP (WIP) Alex Bennée
2019-10-08 18:50 ` Richard Henderson
2019-10-08 19:36 ` Alex Bennée
2019-10-09 9:44 ` Dr. David Alan Gilbert
2019-10-07 15:28 ` [PATCH v9 10/13] tb-stats: dump hot TBs at the end of the execution Alex Bennée
2019-10-08 19:05 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 11/13] accel/tcg: adding integration with linux perf Alex Bennée
2019-10-08 19:33 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 12/13] tb-stats: adding TBStatistics info into perf dump Alex Bennée
2019-10-08 19:46 ` Richard Henderson
2019-10-07 15:28 ` [PATCH v9 13/13] configure: remove the final bits of --profiler support Alex Bennée
2019-10-08 19:39 ` Richard Henderson
2019-10-07 18:14 ` [PATCH v9 00/13] TCG code quality tracking and perf integration no-reply
2019-10-07 18:47 ` no-reply
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