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| author | Michael Larabel <michael@phx-laptop.(none)> | 2008-06-23 22:38:25 -0400 |
|---|---|---|
| committer | Michael Larabel <michael@phx-laptop.(none)> | 2008-08-03 11:49:17 -0400 |
| commit | aceeddb759d8dd6e4236492bba6c9fa8828516db (patch) | |
| tree | 934300167c48d0d93e96adc719e2794b53def800 /pts-core/functions/pts-functions_system_cpu.php | |
| parent | 79e59a72001c1d66ae14a2a5e650783e73fcf5f4 (diff) | |
| download | phoronix-test-suite-upstream-aceeddb759d8dd6e4236492bba6c9fa8828516db.tar.gz phoronix-test-suite-upstream-aceeddb759d8dd6e4236492bba6c9fa8828516db.tar.xz phoronix-test-suite-upstream-aceeddb759d8dd6e4236492bba6c9fa8828516db.zip | |
system_monitor: Add cpu.usage to MONITOR, fix some bugs as well
Diffstat (limited to 'pts-core/functions/pts-functions_system_cpu.php')
| -rw-r--r-- | pts-core/functions/pts-functions_system_cpu.php | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/pts-core/functions/pts-functions_system_cpu.php b/pts-core/functions/pts-functions_system_cpu.php index 1c05066..35bebd3 100644 --- a/pts-core/functions/pts-functions_system_cpu.php +++ b/pts-core/functions/pts-functions_system_cpu.php @@ -186,4 +186,34 @@ function current_processor_frequency($cpu_core = 0) return $info; } +function cpu_load_array() +{ + $stat = @file_get_contents("/proc/stat"); + $stat = substr($stat, 0, strpos($stat, "\n")); + $stat_break = explode(" ", $stat); + + $load = array(); + for($i = 1; $i < 6; $i++) + array_push($load, $stat_break[$i]); + + return $load; +} +function current_processor_usage() +{ + $start_load = cpu_load_array(); + sleep(1); + $end_load = cpu_load_array(); + + for($i = 0; $i < count($end_load); $i++) + { + $end_load[$i] -= $start_load[$i]; + } + + $percent = 100 - (($end_load[(count($end_load) - 1)] * 100) / array_sum($end_load)); + + if(!is_numeric($percent) || $percent < 0 || $percent > 100) + $percent = -1; + + return pts_trim_double($percent); +} ?> |