* [f2fs-dev] Fwd: Any tools of f2fs to inspect infos?
[not found] <CAB3eZfsO0ZN_79oaFpooJ32WNZwwyaS4GBb+W6jR=buU-VczAA@mail.gmail.com>
@ 2020-07-01 9:16 ` Gao Xiang
2020-07-01 16:08 ` Jaegeuk Kim
0 siblings, 1 reply; 3+ messages in thread
From: Gao Xiang @ 2020-07-01 9:16 UTC (permalink / raw)
To: lampahome; +Cc: linux-fsdevel, jaegeuk, linux-f2fs-devel
(cc linux-f2fs-devel, Jaegeuk, Chao.
It'd be better to ask related people and cc the corresponding list.)
On Wed, Jul 01, 2020 at 03:29:41PM +0800, lampahome wrote:
> As title
>
> Any tools of f2fs to inspect like allocated segments, hot/warm/cold
> ratio, or gc is running?
>
> thx
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* Re: [f2fs-dev] Fwd: Any tools of f2fs to inspect infos?
2020-07-01 9:16 ` [f2fs-dev] Fwd: Any tools of f2fs to inspect infos? Gao Xiang
@ 2020-07-01 16:08 ` Jaegeuk Kim
2020-07-02 3:00 ` lampahome
0 siblings, 1 reply; 3+ messages in thread
From: Jaegeuk Kim @ 2020-07-01 16:08 UTC (permalink / raw)
To: Gao Xiang; +Cc: linux-fsdevel, linux-f2fs-devel
On 07/01, Gao Xiang wrote:
> (cc linux-f2fs-devel, Jaegeuk, Chao.
> It'd be better to ask related people and cc the corresponding list.)
>
> On Wed, Jul 01, 2020 at 03:29:41PM +0800, lampahome wrote:
> > As title
> >
> > Any tools of f2fs to inspect like allocated segments, hot/warm/cold
> > ratio, or gc is running?
# cat /sys/kernel/debug/f2fs/status ?
> >
> > thx
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https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
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* Re: [f2fs-dev] Fwd: Any tools of f2fs to inspect infos?
2020-07-01 16:08 ` Jaegeuk Kim
@ 2020-07-02 3:00 ` lampahome
0 siblings, 0 replies; 3+ messages in thread
From: lampahome @ 2020-07-02 3:00 UTC (permalink / raw)
To: Jaegeuk Kim; +Cc: linux-fsdevel, Gao Xiang, linux-f2fs-devel
> # cat /sys/kernel/debug/f2fs/status ?
That's good, I saw info I need
And I also found a f2fs-tools which contains dump.f2fs
dump.f2fs -a will dump SSA info.
How to read the SSA entry info from the dumped file named dump_ssa?
It looks like:
segno: 0, Current Node
[0: d93][1: d95]...etc
[10: da2]...etc
...etc
Take [0: d93] for example, 0 means the first segment and d93 means what?
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https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
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2020-07-01 9:16 ` [f2fs-dev] Fwd: Any tools of f2fs to inspect infos? Gao Xiang
2020-07-01 16:08 ` Jaegeuk Kim
2020-07-02 3:00 ` lampahome
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