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tools/power turbostat: remove blank lines

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When the user reuests to collect and show columns
that are not present on every row (eg. for every CPU)
turbostat still prints an (empty) line for every CPU.
Update so no blank lines are printed.

old:
	# turbostat --quiet --show Pkg%pc6
	Pkg%pc6
	9.12
	9.12

	Pkg%pc6
	9.12
	9.12

new:
	# turbostat --quiet --show Pkg%pc6
	Pkg%pc6
	9.12
	9.12
	Pkg%pc6
	9.12
	9.12

Reported-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2018-01-27 22:39:21 -05:00
parent 3e8b62bf0c
commit 94d6ab4b11
1 changed files with 2 additions and 1 deletions
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3
tools/power/x86/turbostat/turbostat.c
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@ -1028,7 +1028,8 @@ int format_counters(struct thread_data *t, struct core_data *c,
}
done:
outp += sprintf(outp, "\n");
if (*(outp - 1) != '\n')
outp += sprintf(outp, "\n");
return 0;
}