X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcpu.c;h=6b1b7a6d46bbc8a86e592ff9366bf95e4def33f9;hb=48362624e4c47bf3040b5c32cafaf5199d6ad4ac;hp=cdacf4297d651c88b1253578c731b94845ccb0a0;hpb=f00e980cf98776b10c582c3a0fb9924a3f332ba7;p=collectd.git diff --git a/src/cpu.c b/src/cpu.c index cdacf429..6b1b7a6d 100644 --- a/src/cpu.c +++ b/src/cpu.c @@ -102,7 +102,7 @@ #define COLLECTD_CPU_STATE_GUEST_NICE 9 #define COLLECTD_CPU_STATE_IDLE 10 #define COLLECTD_CPU_STATE_ACTIVE 11 /* sum of (!idle) */ -#define COLLECTD_CPU_STATE_MAX 12 /* #states */ +#define COLLECTD_CPU_STATE_MAX 12 /* #states */ #if HAVE_STATGRAB_H #include @@ -119,9 +119,9 @@ #error "No applicable input method." #endif -static const char *cpu_state_names[] = {"user", "system", "wait", "nice", - "swap", "interrupt", "softirq", "steal", - "guest", "guest_nice", "idle", "active"}; +static const char *cpu_state_names[] = { + "user", "system", "wait", "nice", "swap", "interrupt", + "softirq", "steal", "guest", "guest_nice", "idle", "active"}; #ifdef PROCESSOR_CPU_LOAD_INFO static mach_port_t port_host; @@ -134,6 +134,9 @@ static mach_msg_type_number_t cpu_list_len; /* #endif KERNEL_LINUX */ #elif defined(HAVE_LIBKSTAT) +#if HAVE_KSTAT_H +#include +#endif /* colleague tells me that Sun doesn't sell systems with more than 100 or so * CPUs.. */ #define MAX_NUMCPU 256 @@ -198,8 +201,8 @@ static _Bool report_num_cpu = 0; static _Bool report_guest = 0; static _Bool subtract_guest = 1; -static const char *config_keys[] = {"ReportByCpu", "ReportByState", - "ReportNumCpu", "ValuesPercentage", +static const char *config_keys[] = {"ReportByCpu", "ReportByState", + "ReportNumCpu", "ValuesPercentage", "ReportGuestState", "SubtractGuestState"}; static int config_keys_num = STATIC_ARRAY_SIZE(config_keys); @@ -553,9 +556,8 @@ static void cpu_commit(void) /* {{{ */ for (size_t cpu_num = 0; cpu_num < global_cpu_num; cpu_num++) { cpu_state_t *this_cpu_states = get_cpu_state(cpu_num, 0); - gauge_t local_rates[COLLECTD_CPU_STATE_MAX] = {NAN, NAN, NAN, NAN, NAN, - NAN, NAN, NAN, NAN, NAN, - NAN, NAN }; + gauge_t local_rates[COLLECTD_CPU_STATE_MAX] = { + NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN, NAN}; for (size_t state = 0; state < COLLECTD_CPU_STATE_MAX; state++) if (this_cpu_states[state].has_value) @@ -644,7 +646,6 @@ static int cpu_read(void) { char *fields[11]; int numfields; - long long user_value, nice_value, value; if ((fh = fopen("/proc/stat", "r")) == NULL) { char errbuf[1024]; @@ -665,9 +666,10 @@ static int cpu_read(void) { cpu = atoi(fields[0] + 3); - /* Do not stage User and Nice immediately: we may need to alter them later: */ - user_value = atoll(fields[1]); - nice_value = atoll(fields[2]); + /* Do not stage User and Nice immediately: we may need to alter them later: + */ + long long user_value = atoll(fields[1]); + long long nice_value = atoll(fields[2]); cpu_stage(cpu, COLLECTD_CPU_STATE_SYSTEM, (derive_t)atoll(fields[3]), now); cpu_stage(cpu, COLLECTD_CPU_STATE_IDLE, (derive_t)atoll(fields[4]), now); @@ -677,40 +679,39 @@ static int cpu_read(void) { now); cpu_stage(cpu, COLLECTD_CPU_STATE_SOFTIRQ, (derive_t)atoll(fields[7]), now); + } - if (numfields >= 9) { - cpu_stage(cpu, COLLECTD_CPU_STATE_STEAL, (derive_t)atoll(fields[8]), - now); - - if (numfields >= 10) { /* Guest (since Linux 2.6.24) */ - if (report_guest) { - value = atoll(fields[9]); - cpu_stage(cpu, COLLECTD_CPU_STATE_GUEST, - (derive_t)value, now); - /* Guest is included in User; optionally subtract Guest from - User: */ - if (subtract_guest) { - user_value -= value; - if (user_value < 0) user_value = 0; - } - } - - if (numfields >= 11) { /* Guest_nice (since Linux 2.6.33) */ - if (report_guest) { - value = atoll(fields[10]); - cpu_stage(cpu, COLLECTD_CPU_STATE_GUEST_NICE, - (derive_t)value, now); - /* Guest_nice is included in Nice; optionally subtract - Guest_nice from Nice: */ - if (subtract_guest) { - nice_value -= value; - if (nice_value < 0) nice_value = 0; - } - } - } + if (numfields >= 9) { /* Steal (since Linux 2.6.11) */ + cpu_stage(cpu, COLLECTD_CPU_STATE_STEAL, (derive_t)atoll(fields[8]), now); + } + + if (numfields >= 10) { /* Guest (since Linux 2.6.24) */ + if (report_guest) { + long long value = atoll(fields[9]); + cpu_stage(cpu, COLLECTD_CPU_STATE_GUEST, (derive_t)value, now); + /* Guest is included in User; optionally subtract Guest from User: */ + if (subtract_guest) { + user_value -= value; + if (user_value < 0) + user_value = 0; } } } + + if (numfields >= 11) { /* Guest_nice (since Linux 2.6.33) */ + if (report_guest) { + long long value = atoll(fields[10]); + cpu_stage(cpu, COLLECTD_CPU_STATE_GUEST_NICE, (derive_t)value, now); + /* Guest_nice is included in Nice; optionally subtract Guest_nice from + Nice: */ + if (subtract_guest) { + nice_value -= value; + if (nice_value < 0) + nice_value = 0; + } + } + } + /* Eventually stage User and Nice: */ cpu_stage(cpu, COLLECTD_CPU_STATE_USER, (derive_t)user_value, now); cpu_stage(cpu, COLLECTD_CPU_STATE_NICE, (derive_t)nice_value, now);