X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fcpu.c;h=12071a2ca8bae25cf86f25782a682ad1bf898846;hb=4fd631aa4fc9aa2e5339a1531dc74915676844a4;hp=0fadc06458d2fbb5ace382a731bb6bcf19283bb3;hpb=6acb19befc321c501e4d8b79f403ebda0c021acc;p=collectd.git diff --git a/src/cpu.c b/src/cpu.c index 0fadc064..12071a2c 100644 --- a/src/cpu.c +++ b/src/cpu.c @@ -1,6 +1,9 @@ /** * collectd - src/cpu.c - * Copyright (C) 2005-2007 Florian octo Forster + * Copyright (C) 2005-2010 Florian octo Forster + * Copyright (C) 2008 Oleg King + * Copyright (C) 2009 Simon Kuhnle + * Copyright (C) 2009 Manuel Sanmartin * * 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 @@ -17,6 +20,9 @@ * * Authors: * Florian octo Forster + * Oleg King + * Simon Kuhnle + * Manuel Sanmartin **/ #include "collectd.h" @@ -49,7 +55,8 @@ # include #endif /* HAVE_LIBKSTAT */ -#ifdef HAVE_SYSCTLBYNAME +#if (defined(HAVE_SYSCTL) && HAVE_SYSCTL) \ + || (defined(HAVE_SYSCTLBYNAME) && HAVE_SYSCTLBYNAME) # ifdef HAVE_SYS_SYSCTL_H # include # endif @@ -66,14 +73,30 @@ # define CP_IDLE 4 # define CPUSTATES 5 # endif -#endif /* HAVE_SYSCTLBYNAME */ +#endif /* HAVE_SYSCTL || HAVE_SYSCTLBYNAME */ + +#if HAVE_SYSCTL +# if defined(CTL_HW) && defined(HW_NCPU) \ + && defined(CTL_KERN) && defined(KERN_CPTIME) && defined(CPUSTATES) +# define CAN_USE_SYSCTL 1 +# else +# define CAN_USE_SYSCTL 0 +# endif +#else +# define CAN_USE_SYSCTL 0 +#endif #if HAVE_STATGRAB_H # include #endif +# ifdef HAVE_PERFSTAT +# include +# include +# endif /* HAVE_PERFSTAT */ + #if !PROCESSOR_CPU_LOAD_INFO && !KERNEL_LINUX && !HAVE_LIBKSTAT \ - && !HAVE_SYSCTLBYNAME && !HAVE_LIBSTATGRAB + && !CAN_USE_SYSCTL && !HAVE_SYSCTLBYNAME && !HAVE_LIBSTATGRAB && !HAVE_PERFSTAT # error "No applicable input method." #endif @@ -101,13 +124,26 @@ static kstat_t *ksp[MAX_NUMCPU]; static int numcpu; /* #endif HAVE_LIBKSTAT */ +#elif CAN_USE_SYSCTL +static int numcpu; +/* #endif CAN_USE_SYSCTL */ + #elif defined(HAVE_SYSCTLBYNAME) static int numcpu; +# ifdef HAVE_SYSCTL_KERN_CP_TIMES +static int maxcpu; +# endif /* HAVE_SYSCTL_KERN_CP_TIMES */ /* #endif HAVE_SYSCTLBYNAME */ #elif defined(HAVE_LIBSTATGRAB) /* no variables needed */ -#endif /* HAVE_LIBSTATGRAB */ +/* #endif HAVE_LIBSTATGRAB */ + +#elif defined(HAVE_PERFSTAT) +static perfstat_cpu_t *perfcpu; +static int numcpu; +static int pnumcpu; +#endif /* HAVE_PERFSTAT */ static int init (void) { @@ -127,7 +163,7 @@ static int init (void) DEBUG ("host_processors returned %i %s", (int) cpu_list_len, cpu_list_len == 1 ? "processor" : "processors"); INFO ("cpu plugin: Found %i processor%s.", (int) cpu_list_len, cpu_list_len == 1 ? "" : "s"); - cpu_temp_retry_max = 86400 / interval_g; + cpu_temp_retry_max = 86400 / CDTIME_T_TO_TIME_T (interval_g); /* #endif PROCESSOR_CPU_LOAD_INFO */ #elif defined(HAVE_LIBKSTAT) @@ -146,6 +182,25 @@ static int init (void) ksp[numcpu++] = ksp_chain; /* #endif HAVE_LIBKSTAT */ +#elif CAN_USE_SYSCTL + size_t numcpu_size; + int mib[2] = {CTL_HW, HW_NCPU}; + int status; + + numcpu = 0; + numcpu_size = sizeof (numcpu); + + status = sysctl (mib, STATIC_ARRAY_SIZE (mib), + &numcpu, &numcpu_size, NULL, 0); + if (status == -1) + { + char errbuf[1024]; + WARNING ("cpu plugin: sysctl: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } +/* #endif CAN_USE_SYSCTL */ + #elif defined (HAVE_SYSCTLBYNAME) size_t numcpu_size; @@ -154,40 +209,55 @@ static int init (void) if (sysctlbyname ("hw.ncpu", &numcpu, &numcpu_size, NULL, 0) < 0) { char errbuf[1024]; - WARNING ("cpu plugin: sysctlbyname: %s", + WARNING ("cpu plugin: sysctlbyname(hw.ncpu): %s", sstrerror (errno, errbuf, sizeof (errbuf))); return (-1); } +#ifdef HAVE_SYSCTL_KERN_CP_TIMES + numcpu_size = sizeof (maxcpu); + + if (sysctlbyname("kern.smp.maxcpus", &maxcpu, &numcpu_size, NULL, 0) < 0) + { + char errbuf[1024]; + WARNING ("cpu plugin: sysctlbyname(kern.smp.maxcpus): %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } +#else if (numcpu != 1) NOTICE ("cpu: Only one processor supported when using `sysctlbyname' (found %i)", numcpu); +#endif /* #endif HAVE_SYSCTLBYNAME */ #elif defined(HAVE_LIBSTATGRAB) /* nothing to initialize */ -#endif /* HAVE_LIBSTATGRAB */ +/* #endif HAVE_LIBSTATGRAB */ + +#elif defined(HAVE_PERFSTAT) + /* nothing to initialize */ +#endif /* HAVE_PERFSTAT */ return (0); } /* int init */ -static void submit (int cpu_num, const char *type_instance, counter_t value) +static void submit (int cpu_num, const char *type_instance, derive_t value) { value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - values[0].counter = value; + values[0].derive = value; vl.values = values; vl.values_len = 1; - vl.time = time (NULL); sstrncpy (vl.host, hostname_g, sizeof (vl.host)); sstrncpy (vl.plugin, "cpu", sizeof (vl.plugin)); - snprintf (vl.plugin_instance, sizeof (vl.type_instance), + ssnprintf (vl.plugin_instance, sizeof (vl.plugin_instance), "%i", cpu_num); - vl.plugin_instance[DATA_MAX_NAME_LEN - 1] = '\0'; + sstrncpy (vl.type, "cpu", sizeof (vl.type)); sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance)); - plugin_dispatch_values ("cpu", &vl); + plugin_dispatch_values (&vl); } static int cpu_read (void) @@ -228,10 +298,10 @@ static int cpu_read (void) continue; } - submit (cpu, "user", (counter_t) cpu_info.cpu_ticks[CPU_STATE_USER]); - submit (cpu, "nice", (counter_t) cpu_info.cpu_ticks[CPU_STATE_NICE]); - submit (cpu, "system", (counter_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM]); - submit (cpu, "idle", (counter_t) cpu_info.cpu_ticks[CPU_STATE_IDLE]); + submit (cpu, "user", (derive_t) cpu_info.cpu_ticks[CPU_STATE_USER]); + submit (cpu, "nice", (derive_t) cpu_info.cpu_ticks[CPU_STATE_NICE]); + submit (cpu, "system", (derive_t) cpu_info.cpu_ticks[CPU_STATE_SYSTEM]); + submit (cpu, "idle", (derive_t) cpu_info.cpu_ticks[CPU_STATE_IDLE]); #endif /* PROCESSOR_CPU_LOAD_INFO */ #if PROCESSOR_TEMPERATURE /* @@ -282,8 +352,8 @@ static int cpu_read (void) #elif defined(KERNEL_LINUX) int cpu; - counter_t user, nice, syst, idle; - counter_t wait, intr, sitr; /* sitr == soft interrupt */ + derive_t user, nice, syst, idle; + derive_t wait, intr, sitr; /* sitr == soft interrupt */ FILE *fh; char buf[1024]; @@ -340,7 +410,7 @@ static int cpu_read (void) #elif defined(HAVE_LIBKSTAT) int cpu; - counter_t user, syst, idle, wait; + derive_t user, syst, idle, wait; static cpu_stat_t cs; if (kc == NULL) @@ -351,10 +421,10 @@ static int cpu_read (void) if (kstat_read (kc, ksp[cpu], &cs) == -1) continue; /* error message? */ - idle = (counter_t) cs.cpu_sysinfo.cpu[CPU_IDLE]; - user = (counter_t) cs.cpu_sysinfo.cpu[CPU_USER]; - syst = (counter_t) cs.cpu_sysinfo.cpu[CPU_KERNEL]; - wait = (counter_t) cs.cpu_sysinfo.cpu[CPU_WAIT]; + idle = (derive_t) cs.cpu_sysinfo.cpu[CPU_IDLE]; + user = (derive_t) cs.cpu_sysinfo.cpu[CPU_USER]; + syst = (derive_t) cs.cpu_sysinfo.cpu[CPU_KERNEL]; + wait = (derive_t) cs.cpu_sysinfo.cpu[CPU_WAIT]; submit (ksp[cpu]->ks_instance, "user", user); submit (ksp[cpu]->ks_instance, "system", syst); @@ -363,6 +433,93 @@ static int cpu_read (void) } /* #endif defined(HAVE_LIBKSTAT) */ +#elif CAN_USE_SYSCTL + uint64_t cpuinfo[numcpu][CPUSTATES]; + size_t cpuinfo_size; + int status; + int i; + + if (numcpu < 1) + { + ERROR ("cpu plugin: Could not determine number of " + "installed CPUs using sysctl(3)."); + return (-1); + } + + memset (cpuinfo, 0, sizeof (cpuinfo)); + +#if defined(KERN_CPTIME2) + if (numcpu > 1) { + for (i = 0; i < numcpu; i++) { + int mib[] = {CTL_KERN, KERN_CPTIME2, i}; + + cpuinfo_size = sizeof (cpuinfo[0]); + + status = sysctl (mib, STATIC_ARRAY_SIZE (mib), + cpuinfo[i], &cpuinfo_size, NULL, 0); + if (status == -1) { + char errbuf[1024]; + ERROR ("cpu plugin: sysctl failed: %s.", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } + } + } + else +#endif /* defined(KERN_CPTIME2) */ + { + int mib[] = {CTL_KERN, KERN_CPTIME}; + long cpuinfo_tmp[CPUSTATES]; + + cpuinfo_size = sizeof(cpuinfo_tmp); + + status = sysctl (mib, STATIC_ARRAY_SIZE (mib), + &cpuinfo_tmp, &cpuinfo_size, NULL, 0); + if (status == -1) + { + char errbuf[1024]; + ERROR ("cpu plugin: sysctl failed: %s.", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } + + for(i = 0; i < CPUSTATES; i++) { + cpuinfo[0][i] = cpuinfo_tmp[i]; + } + } + + for (i = 0; i < numcpu; i++) { + submit (i, "user", cpuinfo[i][CP_USER]); + submit (i, "nice", cpuinfo[i][CP_NICE]); + submit (i, "system", cpuinfo[i][CP_SYS]); + submit (i, "idle", cpuinfo[i][CP_IDLE]); + submit (i, "interrupt", cpuinfo[i][CP_INTR]); + } +/* #endif CAN_USE_SYSCTL */ +#elif defined(HAVE_SYSCTLBYNAME) && defined(HAVE_SYSCTL_KERN_CP_TIMES) + long cpuinfo[maxcpu][CPUSTATES]; + size_t cpuinfo_size; + int i; + + memset (cpuinfo, 0, sizeof (cpuinfo)); + + cpuinfo_size = sizeof (cpuinfo); + if (sysctlbyname("kern.cp_times", &cpuinfo, &cpuinfo_size, NULL, 0) < 0) + { + char errbuf[1024]; + ERROR ("cpu plugin: sysctlbyname failed: %s.", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } + + for (i = 0; i < numcpu; i++) { + submit (i, "user", cpuinfo[i][CP_USER]); + submit (i, "nice", cpuinfo[i][CP_NICE]); + submit (i, "system", cpuinfo[i][CP_SYS]); + submit (i, "idle", cpuinfo[i][CP_IDLE]); + submit (i, "interrupt", cpuinfo[i][CP_INTR]); + } +/* #endif HAVE_SYSCTL_KERN_CP_TIMES */ #elif defined(HAVE_SYSCTLBYNAME) long cpuinfo[CPUSTATES]; size_t cpuinfo_size; @@ -377,31 +534,69 @@ static int cpu_read (void) return (-1); } - cpuinfo[CP_SYS] += cpuinfo[CP_INTR]; - submit (0, "user", cpuinfo[CP_USER]); submit (0, "nice", cpuinfo[CP_NICE]); submit (0, "system", cpuinfo[CP_SYS]); submit (0, "idle", cpuinfo[CP_IDLE]); + submit (0, "interrupt", cpuinfo[CP_INTR]); /* #endif HAVE_SYSCTLBYNAME */ #elif defined(HAVE_LIBSTATGRAB) - sg_cpu_stats *cs; - cs = sg_get_cpu_stats (); - - if (cs == NULL) - { - ERROR ("cpu plugin: sg_get_cpu_stats failed."); - return (-1); - } - - submit (0, "idle", (counter_t) cs->idle); - submit (0, "nice", (counter_t) cs->nice); - submit (0, "swap", (counter_t) cs->swap); - submit (0, "system", (counter_t) cs->kernel); - submit (0, "user", (counter_t) cs->user); - submit (0, "wait", (counter_t) cs->iowait); -#endif /* HAVE_LIBSTATGRAB */ + sg_cpu_stats *cs; + cs = sg_get_cpu_stats (); + + if (cs == NULL) + { + ERROR ("cpu plugin: sg_get_cpu_stats failed."); + return (-1); + } + + submit (0, "idle", (derive_t) cs->idle); + submit (0, "nice", (derive_t) cs->nice); + submit (0, "swap", (derive_t) cs->swap); + submit (0, "system", (derive_t) cs->kernel); + submit (0, "user", (derive_t) cs->user); + submit (0, "wait", (derive_t) cs->iowait); +/* #endif HAVE_LIBSTATGRAB */ + +#elif defined(HAVE_PERFSTAT) + perfstat_id_t id; + int i, cpus; + + numcpu = perfstat_cpu(NULL, NULL, sizeof(perfstat_cpu_t), 0); + if(numcpu == -1) + { + char errbuf[1024]; + WARNING ("cpu plugin: perfstat_cpu: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } + + if (pnumcpu != numcpu || perfcpu == NULL) + { + if (perfcpu != NULL) + free(perfcpu); + perfcpu = malloc(numcpu * sizeof(perfstat_cpu_t)); + } + pnumcpu = numcpu; + + id.name[0] = '\0'; + if ((cpus = perfstat_cpu(&id, perfcpu, sizeof(perfstat_cpu_t), numcpu)) < 0) + { + char errbuf[1024]; + WARNING ("cpu plugin: perfstat_cpu: %s", + sstrerror (errno, errbuf, sizeof (errbuf))); + return (-1); + } + + for (i = 0; i < cpus; i++) + { + submit (i, "idle", (derive_t) perfcpu[i].idle); + submit (i, "system", (derive_t) perfcpu[i].sys); + submit (i, "user", (derive_t) perfcpu[i].user); + submit (i, "wait", (derive_t) perfcpu[i].wait); + } +#endif /* HAVE_PERFSTAT */ return (0); }