Commit 7d6a7e78 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Introduce trim function 



To be used in cases for both sides trim.

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Andreas Hollmann <hollmann@in.tum.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1460013073-18444-1-git-send-email-jolsa@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent d1d438a3

tools/perf/ui/browsers/hists.c

+1 −2
Original line number Diff line number Diff line
@@ -1607,9 +1607,8 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows 


			ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists));

			dummy_hpp.buf[ret] = '\0';

			rtrim(dummy_hpp.buf);



			start = ltrim(dummy_hpp.buf);

			start = trim(dummy_hpp.buf);

			ret = strlen(start);



			if (start != dummy_hpp.buf)

tools/perf/ui/stdio/hist.c

+1 −2
Original line number Diff line number Diff line
@@ -569,9 +569,8 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, 
			first_col = false;



			fmt->header(fmt, hpp, hists_to_evsel(hists));

			rtrim(hpp->buf);



			header_width += fprintf(fp, "%s", ltrim(hpp->buf));

			header_width += fprintf(fp, "%s", trim(hpp->buf));

		}

	}

tools/perf/util/util.h

+5 −0
Original line number Diff line number Diff line
@@ -254,6 +254,11 @@ int hex2u64(const char *ptr, u64 *val); 
char *ltrim(char *s);

char *rtrim(char *s);



static inline char *trim(char *s)

{

	return ltrim(rtrim(s));

}



void dump_stack(void);

void sighandler_dump_stack(int sig);

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