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perf record: Remove newline character from perror() argument

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If we include a newline character in the string argument to perror()
then the output will be split across two lines like so,

    Unable to read perf file descriptor
    : No space left on device

Deleting the newline character prints a much more readable error,

    Unable to read perf file descriptor: No space left on device

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <89e77b54659bc3798b23a5596c2debb7f6f4cf27.1283010281.git.matt@console-pimps.org>
Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@felicio.ghostprotocols.net>
This commit is contained in:
Matt Fleming 2010-08-28 16:46:19 +01:00 committed by Arnaldo Carvalho de Melo
parent 7f6c1bd50d
commit 0ab7368f8d
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-record.c
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@ -353,7 +353,7 @@ static void create_counter(int counter, int cpu)
}
if (read(fd[nr_cpu][counter][thread_index], &read_data, sizeof(read_data)) == -1) {
perror("Unable to read perf file descriptor\n");
perror("Unable to read perf file descriptor");
exit(-1);
}
@ -626,7 +626,7 @@ static int __cmd_record(int argc, const char **argv)
nr_cpus = read_cpu_map(cpu_list);
if (nr_cpus < 1) {
perror("failed to collect number of CPUs\n");
perror("failed to collect number of CPUs");
return -1;
}