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p/cpu_linux_multi: remove the use of /proc/cpuinfo

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This commit is contained in:
Steve Schnepp 2014-02-19 17:26:47 +01:00
parent d38eda2838
commit 6d2da7ad27
1 changed files with 9 additions and 5 deletions
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14
plugins/system/cpu_linux_multi
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@ -37,8 +37,6 @@
# multigraph, supersampling, extended cpu informations # multigraph, supersampling, extended cpu informations
# #
# require: mpstat (to actually collect the data) # require: mpstat (to actually collect the data)
# require linux /proc
# (sorry, quick/dirty retrieve the number of cpu from /proc/cpuinfo)
# #
# #
# ENV (default): # ENV (default):
@ -186,10 +184,16 @@ if (defined $ENV{MUNIN_MPSTAT}) {
my $cpu_count_cache = undef; my $cpu_count_cache = undef;
sub cpu_count() { sub cpu_count() {
# XXX: is there any way to do that cleanly ?
if (not defined $cpu_count_cache) { if (not defined $cpu_count_cache) {
$cpu_count_cache = `grep -c ^processor /proc/cpuinfo`; open MPSTAT, "$mpstat -P ALL |" or die "open mpstat|: $!\n";
chomp $cpu_count_cache; $cpu_count_cache = 0;
while (<MPSTAT>) {
chomp;
my @field = split();
next unless ($field[1] && ($field[1] =~ /^([0-9]+)$/));
$cpu_count_cache ++;
}
close(MPSTAT);
} }
return $cpu_count_cache; return $cpu_count_cache;
} }