--- /dev/null
+/*
+ * Unix SMB/CIFS implementation.
+ * Performance Counter Daemon
+ *
+ * Copyright (C) Marcin Krzysztof Porwit 2005
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "perf.h"
+
+void init_cpudata_desc(PERF_DATA_BLOCK *data)
+{
+ init_perf_counter(&(data->cpuInfo.cpuObjDesc),
+ &(data->cpuInfo.cpuObjDesc),
+ get_counter_id(data),
+ "Processor",
+ "The Processor object consists of counters that describe the behavior of the CPU.",
+ 0,
+ PERF_OBJECT);
+ init_perf_counter(&(data->cpuInfo.userCPU),
+ &(data->cpuInfo.cpuObjDesc),
+ get_counter_id(data),
+ "\% User CPU Utilization",
+ "\% User CPU Utilization is the percentage of the CPU used by processes executing user code.",
+ PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | PERF_DISPLAY_PERCENT,
+ PERF_COUNTER);
+ init_perf_counter(&(data->cpuInfo.systemCPU),
+ &(data->cpuInfo.cpuObjDesc),
+ get_counter_id(data),
+ "\% System CPU Utilization",
+ "\% System CPU Utilization is the percentage of the CPU used by processes doing system calls.",
+ PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | PERF_DISPLAY_PERCENT,
+ PERF_COUNTER);
+ init_perf_counter(&(data->cpuInfo.niceCPU),
+ &(data->cpuInfo.cpuObjDesc),
+ get_counter_id(data),
+ "\% Nice CPU Utilization",
+ "\% Nice CPU Utilization is the percentage of the CPU used by processes running in nice mode.",
+ PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | PERF_DISPLAY_NOSHOW,
+ PERF_COUNTER);
+ init_perf_counter(&(data->cpuInfo.idleCPU),
+ &(data->cpuInfo.cpuObjDesc),
+ get_counter_id(data),
+ "\% Idle CPU",
+ "\% Idle CPU is the percentage of the CPU not doing any work.",
+ PERF_SIZE_LARGE | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_TIMER_100NS | PERF_DELTA_COUNTER | PERF_DISPLAY_NOSHOW,
+ PERF_COUNTER);
+
+ return;
+}
+
+void get_cpuinfo(PERF_DATA_BLOCK *data)
+{
+ int num, i;
+ unsigned int cpuid;
+ char buf[PROC_BUF];
+ static FILE *fp = NULL;
+
+ if(!fp)
+ {
+ if(!(fp = fopen("/proc/stat", "r")))
+ {
+ perror("get_cpuinfo: fopen");
+ exit(1);
+ }
+ }
+
+ rewind(fp);
+ fflush(fp);
+
+ /* Read in the first line and discard it -- that has the CPU summary */
+ if(!fgets(buf, sizeof(buf), fp))
+ {
+ perror("get_cpuinfo: fgets");
+ exit(1);
+ }
+ for(i = 0; i < data->cpuInfo.numCPUs; i++)
+ {
+ if(!fgets(buf, sizeof(buf), fp))
+ {
+ perror("get_cpuinfo: fgets");
+ exit(1);
+ }
+ num = sscanf(buf, "cpu%u %Lu %Lu %Lu %Lu",
+ &cpuid,
+ &data->cpuInfo.data[i].user,
+ &data->cpuInfo.data[i].nice,
+ &data->cpuInfo.data[i].system,
+ &data->cpuInfo.data[i].idle);
+ if(i != cpuid)
+ {
+ perror("get_cpuinfo: /proc/stat inconsistent?");
+ exit(1);
+ }
+ /*
+ Alternate way of doing things:
+ struct tms buffer;
+ data->PerfTime100nSec = times(&buffer);
+ */
+ data->PerfTime100nSec += data->cpuInfo.data[i].user +
+ data->cpuInfo.data[i].nice +
+ data->cpuInfo.data[i].system +
+ data->cpuInfo.data[i].idle;
+ }
+ data->PerfTime100nSec /= data->cpuInfo.numCPUs;
+ return;
+}
+
+void init_cpu_data(PERF_DATA_BLOCK *data)
+{
+ data->cpuInfo.data = calloc(data->cpuInfo.numCPUs, sizeof(*data->cpuInfo.data));
+ if(!data->cpuInfo.data)
+ {
+ perror("init_cpu_data: out of memory");
+ exit(1);
+ }
+
+ init_cpudata_desc(data);
+
+ get_cpuinfo(data);
+
+ return;
+}
+
+void output_cpu_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt)
+{
+ output_perf_desc(data->cpuInfo.cpuObjDesc, rt);
+ output_perf_desc(data->cpuInfo.userCPU, rt);
+ output_perf_desc(data->cpuInfo.niceCPU, rt);
+ output_perf_desc(data->cpuInfo.systemCPU, rt);
+ output_perf_desc(data->cpuInfo.idleCPU, rt);
+ if(data->cpuInfo.numCPUs > 1)
+ output_num_instances(data->cpuInfo.cpuObjDesc, data->cpuInfo.numCPUs + 1, rt);
+
+ return;
+}
+
+void output_cpuinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags)
+{
+ int i;
+ char buf[NAME_LEN];
+
+ output_perf_counter(data->cpuInfo.userCPU,
+ data->cpuInfo.data[0].user,
+ rt, tdb_flags);
+ output_perf_counter(data->cpuInfo.systemCPU,
+ data->cpuInfo.data[0].system,
+ rt, tdb_flags);
+ output_perf_counter(data->cpuInfo.niceCPU,
+ data->cpuInfo.data[0].nice,
+ rt, tdb_flags);
+ output_perf_counter(data->cpuInfo.idleCPU,
+ data->cpuInfo.data[0].idle,
+ rt, tdb_flags);
+ if(data->cpuInfo.numCPUs > 1)
+ {
+ for(i = 0; i < data->cpuInfo.numCPUs; i++)
+ {
+ memset(buf, 0, NAME_LEN);
+ sprintf(buf, "cpu%d", i);
+ output_perf_instance(data->cpuInfo.cpuObjDesc.index,
+ i,
+ (void *)&(data->cpuInfo.data[i]),
+ sizeof(data->cpuInfo.data[i]),
+ buf, rt, tdb_flags);
+ }
+
+ memset(buf, 0, NAME_LEN);
+ sprintf(buf, "_Total");
+ output_perf_instance(data->cpuInfo.cpuObjDesc.index,
+ i,
+ (void *)&(data->cpuInfo.data[i]),
+ sizeof(data->cpuInfo.data[i]),
+ buf, rt, tdb_flags);
+ }
+ return;
+}
projects / samba / blobdiff