diff options
Diffstat (limited to 'src/collectl2pcp/cpu.c')
| -rw-r--r-- | src/collectl2pcp/cpu.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/collectl2pcp/cpu.c b/src/collectl2pcp/cpu.c new file mode 100644 index 0000000..a5b5028 --- /dev/null +++ b/src/collectl2pcp/cpu.c @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2013 Red Hat Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * Handler for kernel.{percpu,all}.cpu.* + * + * cpu 66057896 4079 13437134 575696782 4513632 1463907 1701801 0 28602 0 + * cpu0 24489004 2578 3862841 132669978 2807446 852698 928386 0 28602 0 + * + */ + +#include "metrics.h" + +#define ticks_to_msec(ticks) (1000ULL * strtoull(ticks, NULL, 0) / kernel_all_hz) + +int +cpu_handler(handler_t *h, fields_t *f) +{ + char *inst = NULL; + + if (f->fieldlen[0] < 3 || f->nfields < 9) + return -1; + + if (f->fieldlen[0] > 3 && isdigit(f->fields[0][3])) { + /* kernel.percpu.cpu.* */ + pmInDom indom = pmInDom_build(LINUX_DOMAIN, CPU_INDOM); + + inst = f->fields[0]; /* cpuN */ + + put_ull_value("kernel.percpu.cpu.user", indom, inst, ticks_to_msec(f->fields[1])); + put_ull_value("kernel.percpu.cpu.nice", indom, inst, ticks_to_msec(f->fields[2])); + put_ull_value("kernel.percpu.cpu.sys", indom, inst, ticks_to_msec(f->fields[3])); + put_ull_value("kernel.percpu.cpu.idle", indom, inst, ticks_to_msec(f->fields[4])); + put_ull_value("kernel.percpu.cpu.wait.total", indom, inst, ticks_to_msec(f->fields[5])); + put_ull_value("kernel.percpu.cpu.irq.hard", indom, inst, ticks_to_msec(f->fields[6])); + put_ull_value("kernel.percpu.cpu.irq.soft", indom, inst, ticks_to_msec(f->fields[7])); + put_ull_value("kernel.percpu.cpu.steal", indom, inst, ticks_to_msec(f->fields[8])); + if (f->nfields > 9) /* guest cpu usage is only in more recent kernels */ + put_ull_value("kernel.percpu.cpu.guest", indom, inst, ticks_to_msec(f->fields[9])); + + put_ull_value("kernel.percpu.cpu.intr", indom, inst, + 1000 * ((double)strtoull(f->fields[6], NULL, 0) + + (double)strtoull(f->fields[7], NULL, 0)) / kernel_all_hz); + } + else { + put_ull_value("kernel.all.cpu.user", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[1])); + put_ull_value("kernel.all.cpu.nice", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[2])); + put_ull_value("kernel.all.cpu.sys", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[3])); + put_ull_value("kernel.all.cpu.idle", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[4])); + put_ull_value("kernel.all.cpu.wait.total", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[5])); + put_ull_value("kernel.all.cpu.irq.hard", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[6])); + put_ull_value("kernel.all.cpu.irq.soft", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[7])); + put_ull_value("kernel.all.cpu.steal", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[8])); + if (f->nfields > 9) + put_ull_value("kernel.all.cpu.guest", PM_INDOM_NULL, NULL, ticks_to_msec(f->fields[9])); + + put_ull_value("kernel.all.cpu.intr", PM_INDOM_NULL, NULL, + 1000 * ((double)strtoull(f->fields[6], NULL, 0) + + (double)strtoull(f->fields[7], NULL, 0)) / kernel_all_hz); + } + + return 0; +} |