linux-kernel - Re: [PATCH 1/4] perf trace beauty: Fix statx flags printing

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Message-ID: <9dee50c53fcc4dcb97722ddc22a5cdc5@huawei.com>
Date: Fri, 19 Apr 2024 01:38:26 +0000
From: duchangbin <changbin.du@...wei.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
CC: duchangbin <changbin.du@...wei.com>, Peter Zijlstra
	<peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Namhyung Kim
	<namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>, "Alexander
 Shishkin" <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>,
	"linux-perf-users@...r.kernel.org" <linux-perf-users@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] perf trace beauty: Fix statx flags printing

On Thu, Apr 18, 2024 at 11:35:05AM -0300, Arnaldo Carvalho de Melo wrote:
> On Thu, Apr 18, 2024 at 09:13:01PM +0800, Changbin Du wrote:
> > Missed a string specifier '%s' in format string.
> 
> Humm, what branch should this be applied to? I ask because:
> 
> ⬢[acme@...lbox perf-tools-next]$ git log --oneline tools/perf/trace/beauty/statx.c
> f122b3d6d179455e perf beauty: Introduce scrape script for the 'statx' syscall 'mask' argument
> 3d6cfbaf279ddec9 perf beauty: Introduce scrape script for various fs syscalls 'flags' arguments
> a672af9139a843eb tools headers: Remove almost unused copy of uapi/stat.h, add few conditional defines
> 6652830c87be8446 perf beauty: Use the system linux/fcntl.h instead of a copy from the kernel
> 690811f0128eb603 tools headers uapi: Sync linux/stat.h with the kernel sources to pick STATX_MNT_ID_UNIQUE
> 49c75d30b0078d30 tools headers uapi: Sync linux/stat.h with the kernel sources
> 5d33cbfedb51f732 perf beauty: Add support to STATX_MNT_ID in the 'statx' syscall 'mask' argument
> c65c83ffe9045901 perf trace: Allow asking for not suppressing common string prefixes
> 794f594e0c3be619 perf beauty: Switch from GPL v2.0 to LGPL v2.1
> fd5cead23f546973 (tag: perf-core-for-mingo-4.12-20170331) perf trace: Beautify statx syscall 'flag' and 'mask' arguments
> ⬢[acme@...lbox perf-tools-next]$
> 
> ⬢[acme@...lbox perf-tools-next]$ tools/perf/trace/beauty/statx_mask.sh 
> static const char *statx_mask[] = {
> 	[ilog2(0x00000001) + 1] = "TYPE",
> 	[ilog2(0x00000002) + 1] = "MODE",
> 	[ilog2(0x00000004) + 1] = "NLINK",
> 	[ilog2(0x00000008) + 1] = "UID",
> 	[ilog2(0x00000010) + 1] = "GID",
> 	[ilog2(0x00000020) + 1] = "ATIME",
> 	[ilog2(0x00000040) + 1] = "MTIME",
> 	[ilog2(0x00000080) + 1] = "CTIME",
> 	[ilog2(0x00000100) + 1] = "INO",
> 	[ilog2(0x00000200) + 1] = "SIZE",
> 	[ilog2(0x00000400) + 1] = "BLOCKS",
> 	[ilog2(0x00000800) + 1] = "BTIME",
> 	[ilog2(0x00001000) + 1] = "MNT_ID",
> 	[ilog2(0x00002000) + 1] = "DIOALIGN",
> 	[ilog2(0x00004000) + 1] = "MNT_ID_UNIQUE",
> };
> ⬢[acme@...lbox perf-tools-next]$
> 
> Can you please try with what is in
> https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git,
> branch perf-tools-next?
> 
No problem, let me rebase on perf-tools-next. This patchset was created on
mainline.

> - Arnaldo
>  
> > Signed-off-by: Changbin Du <changbin.du@...wei.com>
> > ---
> >  tools/perf/trace/beauty/statx.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/perf/trace/beauty/statx.c b/tools/perf/trace/beauty/statx.c
> > index dc5943a6352d..c61f2be53bda 100644
> > --- a/tools/perf/trace/beauty/statx.c
> > +++ b/tools/perf/trace/beauty/statx.c
> > @@ -21,7 +21,7 @@ size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_
> >  		return scnprintf(bf, size, "%s%s", show_prefix ? "AT_STATX_" : "", "SYNC_AS_STAT");
> >  #define	P_FLAG(n) \
> >  	if (flags & AT_##n) { \
> > -		printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
> > +		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
> >  		flags &= ~AT_##n; \
> >  	}
> >  
> > -- 
> > 2.34.1
> 

-- 
Cheers,
Changbin Du