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Re: [PATCH v14 05/10] debug: add -d tb_stats to control TBStatistics col


From: Richard Henderson
Subject: Re: [PATCH v14 05/10] debug: add -d tb_stats to control TBStatistics collection:
Date: Wed, 31 May 2023 18:18:01 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0

On 5/30/23 01:35, Fei Wu wrote:
From: "Vanderson M. do Rosario" <vandersonmr2@gmail.com>

  -d tb_stats[[,level=(+all+jit+exec+time)][,dump_limit=<number>]]

"dump_limit" is used to limit the number of dumped TBStats in
linux-user mode.

Why is user-mode special?


[all+jit+exec+time] control the profilling level used
by the TBStats. Can be used as follow:

-d tb_stats
-d tb_stats,level=jit+time

Comma is already used to separate different -d options.
You should not overload that.

"level" doesn't make sense for things that aren't hierarchical.

What's wrong with tb-stats-{all,jit,time,exec}?


r~



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