From 77460a90756dcaa54ec12bbcd30a5266286103d7 Mon Sep 17 00:00:00 2001 From: Gerald Carter Date: Tue, 8 Nov 2005 16:33:45 +0000 Subject: r11579: syncing up perf counter code cfrom trunk (This used to be commit 59c00924b67aa3d37a933731a56d03963ec7f1b5) --- examples/perfcounter/Makefile | 38 +++++ examples/perfcounter/perf.h | 196 +++++++++++++++++++++++ examples/perfcounter/perf_writer.c | 214 +++++++++++++++++++++++++ examples/perfcounter/perf_writer_cpu.c | 190 ++++++++++++++++++++++ examples/perfcounter/perf_writer_disk.c | 225 ++++++++++++++++++++++++++ examples/perfcounter/perf_writer_mem.c | 125 +++++++++++++++ examples/perfcounter/perf_writer_process.c | 86 ++++++++++ examples/perfcounter/perf_writer_util.c | 244 +++++++++++++++++++++++++++++ examples/perfcounter/perfcountd.init | 66 ++++++++ 9 files changed, 1384 insertions(+) create mode 100644 examples/perfcounter/Makefile create mode 100644 examples/perfcounter/perf.h create mode 100644 examples/perfcounter/perf_writer.c create mode 100644 examples/perfcounter/perf_writer_cpu.c create mode 100644 examples/perfcounter/perf_writer_disk.c create mode 100644 examples/perfcounter/perf_writer_mem.c create mode 100644 examples/perfcounter/perf_writer_process.c create mode 100644 examples/perfcounter/perf_writer_util.c create mode 100755 examples/perfcounter/perfcountd.init (limited to 'examples/perfcounter') diff --git a/examples/perfcounter/Makefile b/examples/perfcounter/Makefile new file mode 100644 index 0000000000..07bc7657c9 --- /dev/null +++ b/examples/perfcounter/Makefile @@ -0,0 +1,38 @@ +# +# 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. +# + +SAMBA_SRC_DIR=../../source +TDB_SRC_DIR=$(SAMBA_SRC_DIR)/tdb + +CFLAGS = -g -I$(SAMBA_SRC_DIR)/include -I$(TDB_SRC_DIR) +CC = gcc + +PROGS = perfcount +TDB_OBJ = $(TDB_SRC_DIR)/tdb.o $(TDB_SRC_DIR)/spinlock.o $(TDB_SRC_DIR)/tdbback.o +PERF_WRITER_OBJ = perf_writer.o perf_writer_mem.o perf_writer_util.o perf_writer_cpu.o perf_writer_process.o perf_writer_disk.o + +default: $(PROGS) + +$(TDB_OBJ): + cd $(TDB_SRC_DIR) && make + +perfcount: $(PERF_WRITER_OBJ) $(TDB_OBJ) + $(CC) $(CFLAGS) -o perfcount $(PERF_WRITER_OBJ) $(TDB_OBJ) + +clean: + rm -f $(PROGS) *.o *~ *% core diff --git a/examples/perfcounter/perf.h b/examples/perfcounter/perf.h new file mode 100644 index 0000000000..7279e78831 --- /dev/null +++ b/examples/perfcounter/perf.h @@ -0,0 +1,196 @@ +/* + * 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. + */ + +#ifndef __PERF_H__ +#define __PERF_H__ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "tdb.h" +#include +#include +#include +#include + +#define NUM_COUNTERS 10 + +#define NAME_LEN 256 +#define HELP_LEN 1024 + +#define PERF_OBJECT 0 +#define PERF_INSTANCE 1 +#define PERF_COUNTER 2 + +#define FALSE 0 +#define TRUE !FALSE + +#define PROC_BUF 256 +#define LARGE_BUF 16384 + +typedef struct perf_counter +{ + int index; + char name[NAME_LEN]; + char help[HELP_LEN]; + char relationships[NAME_LEN]; + unsigned int counter_type; + int record_type; +} PerfCounter; + +typedef struct mem_data +{ + unsigned int availPhysKb; + unsigned int availSwapKb; + unsigned int totalPhysKb; + unsigned int totalSwapKb; +} MemData; + +typedef struct mem_info +{ + PerfCounter memObjDesc; + PerfCounter availPhysKb; + PerfCounter availSwapKb; + PerfCounter totalPhysKb; + PerfCounter totalSwapKb; + MemData *data; +} MemInfo; + +typedef struct cpu_data +{ + unsigned long long user; + unsigned long long nice; + unsigned long long system; + unsigned long long idle; +} CPUData; + +typedef struct cpu_info +{ + unsigned int numCPUs; + PerfCounter cpuObjDesc; + PerfCounter userCPU; + PerfCounter niceCPU; + PerfCounter systemCPU; + PerfCounter idleCPU; + CPUData *data; +} CPUInfo; + +typedef struct disk_meta_data +{ + char name[NAME_LEN]; + char mountpoint[NAME_LEN]; +} DiskMetaData; + +typedef struct disk_data +{ + unsigned long long freeMegs; + unsigned int writesPerSec; + unsigned int readsPerSec; +} DiskData; + +typedef struct disk_info +{ + unsigned int numDisks; + DiskMetaData *mdata; + PerfCounter diskObjDesc; + PerfCounter freeMegs; + PerfCounter writesPerSec; + PerfCounter readsPerSec; + DiskData *data; +} DiskInfo; + +typedef struct process_data +{ + unsigned int runningProcessCount; +} ProcessData; + +typedef struct process_info +{ + PerfCounter processObjDesc; + PerfCounter runningProcessCount; + ProcessData *data; +} ProcessInfo; + +typedef struct perf_data_block +{ + unsigned int counter_id; + unsigned int num_counters; + unsigned int NumObjectTypes; + unsigned long long PerfTime; + unsigned long long PerfFreq; + unsigned long long PerfTime100nSec; + MemInfo memInfo; + CPUInfo cpuInfo; + ProcessInfo processInfo; + DiskInfo diskInfo; +} PERF_DATA_BLOCK; + +typedef struct runtime_settings +{ + /* Runtime flags */ + int dflag; + /* DB path names */ + char dbDir[PATH_MAX]; + char nameFile[PATH_MAX]; + char counterFile[PATH_MAX]; + /* TDB context */ + TDB_CONTEXT *cnames; + TDB_CONTEXT *cdata; +} RuntimeSettings; + +/* perf_writer_ng_util.c function prototypes */ +void fatal(char *msg); +void add_key(TDB_CONTEXT *db, char *keystring, char *datastring, int flags); +void add_key_raw(TDB_CONTEXT *db, char *keystring, void *datastring, size_t datasize, int flags); +void make_key(char *buf, int buflen, int key_part1, char *key_part2); +void parse_flags(RuntimeSettings *rt, int argc, char **argv); +void setup_file_paths(RuntimeSettings *rt); +void daemonize(RuntimeSettings *rt); + +/* perf_writer_ng_mem.c function prototypes */ +void get_meminfo(PERF_DATA_BLOCK *data); +void init_memdata_desc(PERF_DATA_BLOCK *data); +void init_memdata(PERF_DATA_BLOCK *data); +void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt); +void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags); +void init_perf_counter(PerfCounter *counter, PerfCounter *parent, unsigned int index, char *name, char *help, int counter_type, int record_type); + +/* perf_writer_ng_cpu.c function prototypes */ +unsigned long long get_cpufreq(); +void init_cpudata_desc(PERF_DATA_BLOCK *data); +void get_cpuinfo(PERF_DATA_BLOCK *data); +void init_cpu_data(PERF_DATA_BLOCK *data); +void output_cpu_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt); +void output_cpuinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags); + +#endif /* __PERF_H__ */ diff --git a/examples/perfcounter/perf_writer.c b/examples/perfcounter/perf_writer.c new file mode 100644 index 0000000000..04127f5621 --- /dev/null +++ b/examples/perfcounter/perf_writer.c @@ -0,0 +1,214 @@ +/* + * 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" + +sig_atomic_t keep_running = TRUE; + +/* allocates memory and gets numCPUs, total memory, and PerfFreq, number of disks... */ +void get_constants(PERF_DATA_BLOCK *data) +{ + data->cpuInfo.numCPUs = sysconf(_SC_NPROCESSORS_ONLN); + data->PerfFreq = sysconf(_SC_CLK_TCK); + init_mem_data(data); + init_cpu_data(data); + init_process_data(data); + init_disk_data(data); + + return; +} + +void output_num_instances(PerfCounter obj, int numInst, RuntimeSettings rt) +{ + char key[NAME_LEN]; + char sdata[NAME_LEN]; + + make_key(key, NAME_LEN, obj.index, "inst"); + memset(sdata, 0, NAME_LEN); + sprintf(sdata, "%d", numInst); + add_key(rt.cnames, key, sdata, TDB_INSERT); + + return; +} + +void output_perf_desc(PerfCounter counter, RuntimeSettings rt) +{ + char key[NAME_LEN]; + char sdata[NAME_LEN]; + + /* First insert the counter name */ + make_key(key, NAME_LEN, counter.index, NULL); + add_key(rt.cnames, key, counter.name, TDB_INSERT); + /* Add the help string */ + make_key(key, NAME_LEN, counter.index + 1, NULL); + add_key(rt.cnames, key, counter.help, TDB_INSERT); + /* Add the relationships */ + make_key(key, NAME_LEN, counter.index, "rel"); + add_key(rt.cnames, key, counter.relationships, TDB_INSERT); + /* Add type data if not PERF_OBJECT or PERF_INSTANCE */ + if(counter.record_type == PERF_COUNTER) + { + make_key(key, NAME_LEN, counter.index, "type"); + memset(sdata, 0, NAME_LEN); + sprintf(sdata, "%d", counter.counter_type); + add_key(rt.cnames, key, sdata, TDB_INSERT); + } + + return; +} + +void initialize(PERF_DATA_BLOCK *data, RuntimeSettings *rt, int argc, char **argv) +{ + memset(data, 0, sizeof(*data)); + memset(rt, 0, sizeof(*data)); + + parse_flags(rt, argc, argv); + setup_file_paths(rt); + + get_constants(data); + + if(rt->dflag == TRUE) + daemonize(rt); + + output_mem_desc(data, *rt); + output_cpu_desc(data, *rt); + output_process_desc(data, *rt); + output_disk_desc(data, *rt); + + return; +} + +void refresh_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt) +{ + data->PerfTime100nSec = 0; + get_meminfo(data); + get_cpuinfo(data); + get_processinfo(data); + get_diskinfo(data); + return; +} + +void output_perf_counter(PerfCounter counter, unsigned long long data, + RuntimeSettings rt, int tdb_flags) +{ + char key[NAME_LEN]; + char sdata[NAME_LEN]; + unsigned int size_mask; + + make_key(key, NAME_LEN, counter.index, NULL); + memset(sdata, 0, NAME_LEN); + + size_mask = counter.counter_type & PERF_SIZE_VARIABLE_LEN; + + if(size_mask == PERF_SIZE_DWORD) + sprintf(sdata, "%d", (unsigned int)data); + else if(size_mask == PERF_SIZE_LARGE) + sprintf(sdata, "%Lu", data); + + add_key(rt.cdata, key, sdata, tdb_flags); + + return; +} + +void output_perf_instance(int parentObjInd, + int instanceInd, + void *instData, + size_t dsize, + char *name, + RuntimeSettings rt, + int tdb_flags) +{ + char key[NAME_LEN]; + char sdata[NAME_LEN]; + + memset(key, 0, NAME_LEN); + sprintf(key, "%di%d", parentObjInd, instanceInd); + add_key_raw(rt.cdata, key, instData, dsize, tdb_flags); + + /* encode name */ + memset(key, 0, NAME_LEN); + sprintf(key, "%di%dname", parentObjInd, instanceInd); + add_key(rt.cnames, key, name, tdb_flags); + + return; +} + +void output_global_data(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags) +{ + int i; + char key[NAME_LEN]; + char sdata[NAME_LEN]; + + /* Initialize BaseIndex */ + make_key(key, NAME_LEN, 1, NULL); + memset(sdata, 0, NAME_LEN); + sprintf(sdata, "%d", data->num_counters); + add_key(rt.cnames, key, sdata, tdb_flags); + /* Initialize PerfTime, PerfFreq and PerfTime100nSec */ + memset(sdata, 0, NAME_LEN); + make_key(key, NAME_LEN, 0, "PerfTime"); + sprintf(sdata, "%Lu", data->PerfTime); + add_key(rt.cdata, key, sdata, tdb_flags); + make_key(key, NAME_LEN, 0, "PerfTime100nSec"); + memset(sdata, 0, NAME_LEN); + sprintf(sdata, "%Lu", data->PerfTime100nSec); + add_key(rt.cdata, key, sdata, tdb_flags); + memset(sdata, 0, NAME_LEN); + make_key(key, NAME_LEN, 0, "PerfFreq"); + sprintf(sdata, "%Lu", data->PerfFreq); + add_key(rt.cnames, key, sdata, tdb_flags); + + return; +} + +void output_perf_data_block(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags) +{ + output_global_data(data, rt, tdb_flags); + output_meminfo(data, rt, tdb_flags); + output_cpuinfo(data, rt, tdb_flags); + output_processinfo(data, rt, tdb_flags); + output_diskinfo(data, rt, tdb_flags); + return; +} + +void update_counters(PERF_DATA_BLOCK *data, RuntimeSettings rt) +{ + refresh_perf_data_block(data, rt); + output_perf_data_block(data, rt, TDB_REPLACE); + + return; +} + +int main(int argc, char **argv) +{ + PERF_DATA_BLOCK data; + RuntimeSettings rt; + + initialize(&data, &rt, argc, argv); + + while(keep_running) + { + update_counters(&data, rt); + sleep(1); + } + + return 0; +} diff --git a/examples/perfcounter/perf_writer_cpu.c b/examples/perfcounter/perf_writer_cpu.c new file mode 100644 index 0000000000..7786c9415e --- /dev/null +++ b/examples/perfcounter/perf_writer_cpu.c @@ -0,0 +1,190 @@ +/* + * 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; +} diff --git a/examples/perfcounter/perf_writer_disk.c b/examples/perfcounter/perf_writer_disk.c new file mode 100644 index 0000000000..b2b4c9690b --- /dev/null +++ b/examples/perfcounter/perf_writer_disk.c @@ -0,0 +1,225 @@ +/* + * 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_diskdata_desc(PERF_DATA_BLOCK *data) +{ + init_perf_counter(&(data->diskInfo.diskObjDesc), + &(data->diskInfo.diskObjDesc), + get_counter_id(data), + "Logical Disk", + "The Logical Disk object consists of counters that show information about disks.", + 0, + PERF_OBJECT); + init_perf_counter(&(data->diskInfo.freeMegs), + &(data->diskInfo.diskObjDesc), + get_counter_id(data), + "Megabytes Free", + "The amount of available disk space, in megabytes.", + PERF_SIZE_LARGE | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX, + PERF_COUNTER); + init_perf_counter(&(data->diskInfo.writesPerSec), + &(data->diskInfo.diskObjDesc), + get_counter_id(data), + "Writes/sec", + "The number of writes per second to that disk.", + PERF_SIZE_DWORD | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_DELTA_COUNTER | PERF_DISPLAY_PER_SEC, + PERF_COUNTER); + init_perf_counter(&(data->diskInfo.readsPerSec), + &(data->diskInfo.diskObjDesc), + get_counter_id(data), + "Reads/sec", + "The number of reads of that disk per second.", + PERF_SIZE_DWORD | PERF_TYPE_COUNTER | PERF_COUNTER_RATE | PERF_DELTA_COUNTER | PERF_DISPLAY_PER_SEC, + PERF_COUNTER); + + return; +} +void init_num_disks(PERF_DATA_BLOCK *data) +{ + FILE *mtab; + char buf[PROC_BUF]; + char *start, *stop; + int i = 0, num; + + if(!(mtab = fopen("/etc/mtab", "r"))) + { + perror("init_disk_names: fopen"); + exit(1); + } + + rewind(mtab); + fflush(mtab); + + while(fgets(buf, sizeof(buf), mtab)) + { + if(start = strstr(buf, "/dev/")) + { + if(start = strstr(start, "da")) + { + i++; + } + } + } + + data->diskInfo.numDisks = i; + fclose(mtab); + + return; +} + +void init_disk_names(PERF_DATA_BLOCK *data) +{ + FILE *mtab; + char buf[PROC_BUF]; + char *start, *stop; + int i = 0, num; + + if(!(mtab = fopen("/etc/mtab", "r"))) + { + perror("init_disk_names: fopen"); + exit(1); + } + + rewind(mtab); + fflush(mtab); + + while(fgets(buf, sizeof(buf), mtab)) + { + if(start = strstr(buf, "/dev/")) + { + if(start = strstr(start, "da")) + { + start -=1; + stop = strstr(start, " "); + memcpy(data->diskInfo.mdata[i].name, start, stop - start); + start = stop +1; + stop = strstr(start, " "); + memcpy(data->diskInfo.mdata[i].mountpoint, start, stop - start); + i++; + } + } + } + + fclose(mtab); + + return; +} + +void get_diskinfo(PERF_DATA_BLOCK *data) +{ + int i; + DiskData *p; + struct statfs statfsbuf; + int status, num; + char buf[LARGE_BUF], *start; + FILE *diskstats; + long reads, writes, discard; + + diskstats = fopen("/proc/diskstats", "r"); + rewind(diskstats); + fflush(diskstats); + status = fread(buf, sizeof(char), LARGE_BUF, diskstats); + fclose(diskstats); + + for(i = 0; i < data->diskInfo.numDisks; i++) + { + p = &(data->diskInfo.data[i]); + status = statfs(data->diskInfo.mdata[i].mountpoint, &statfsbuf); + p->freeMegs = (statfsbuf.f_bfree*statfsbuf.f_bsize)/1048576; + start = strstr(buf, data->diskInfo.mdata[i].name); + start += strlen(data->diskInfo.mdata[i].name) + 1; + num = sscanf(start, "%u %u %u %u", + &reads, + &discard, + &writes, + &discard); + p->writesPerSec = writes; + p->readsPerSec = reads; + fprintf(stderr, "%s:\t%u\t%u\n", + data->diskInfo.mdata[i].mountpoint, + reads, writes); + } + return; +} +void init_disk_data(PERF_DATA_BLOCK *data) +{ + init_diskdata_desc(data); + + init_num_disks(data); + + data->diskInfo.mdata = calloc(data->diskInfo.numDisks, sizeof(DiskMetaData)); + if(!data->diskInfo.mdata) + { + fatal("init_disk_data: out of memory"); + } + + init_disk_names(data); + + data->diskInfo.data = calloc(data->diskInfo.numDisks, sizeof(DiskData)); + if(!data->diskInfo.data) + { + fatal("init_disk_data: out of memory"); + } + + get_diskinfo(data); + + return; +} + +void output_disk_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt) +{ + output_perf_desc(data->diskInfo.diskObjDesc, rt); + output_perf_desc(data->diskInfo.freeMegs, rt); + output_perf_desc(data->diskInfo.writesPerSec, rt); + output_perf_desc(data->diskInfo.readsPerSec, rt); + output_num_instances(data->diskInfo.diskObjDesc, data->diskInfo.numDisks, rt); + + return; +} + +void output_diskinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags) +{ + int i; + + output_perf_counter(data->diskInfo.freeMegs, + data->diskInfo.data[0].freeMegs, + rt, tdb_flags); + output_perf_counter(data->diskInfo.writesPerSec, + (unsigned long long)data->diskInfo.data[0].writesPerSec, + rt, tdb_flags); + output_perf_counter(data->diskInfo.readsPerSec, + (unsigned long long)data->diskInfo.data[0].readsPerSec, + rt, tdb_flags); + + for(i = 0; i < data->diskInfo.numDisks; i++) + { + output_perf_instance(data->diskInfo.diskObjDesc.index, + i, + (void *)&(data->diskInfo.data[i]), + sizeof(DiskData), + data->diskInfo.mdata[i].mountpoint, + rt, tdb_flags); + } + + return; +} diff --git a/examples/perfcounter/perf_writer_mem.c b/examples/perfcounter/perf_writer_mem.c new file mode 100644 index 0000000000..1a9a3ca959 --- /dev/null +++ b/examples/perfcounter/perf_writer_mem.c @@ -0,0 +1,125 @@ +/* + * 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 get_meminfo(PERF_DATA_BLOCK *data) +{ + int status; + struct sysinfo info; + status = sysinfo(&info); + + data->memInfo.data->availPhysKb = (info.freeram * info.mem_unit)/1024; + data->memInfo.data->availSwapKb = (info.freeswap * info.mem_unit)/1024; + data->memInfo.data->totalPhysKb = (info.totalram * info.mem_unit)/1024; + data->memInfo.data->totalSwapKb = (info.totalswap * info.mem_unit)/1024; + + /* Also get uptime since we have the structure */ + data->PerfTime = (unsigned long)info.uptime; + + return; +} + +void init_memdata_desc(PERF_DATA_BLOCK *data) +{ + init_perf_counter(&(data->memInfo.memObjDesc), + &(data->memInfo.memObjDesc), + get_counter_id(data), + "Memory", + "The Memory performance object consists of counters that describe the behavior of physical and virtual memory on the computer.", + 0, + PERF_OBJECT); + init_perf_counter(&(data->memInfo.availPhysKb), + &(data->memInfo.memObjDesc), + get_counter_id(data), + "Available Physical Kilobytes", + "Available Physical Kilobytes is the number of free kilobytes in physical memory", + PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX, + PERF_COUNTER); + init_perf_counter(&(data->memInfo.availSwapKb), + &(data->memInfo.memObjDesc), + get_counter_id(data), + "Available Swap Kilobytes", + "Available Swap Kilobytes is the number of free kilobytes in swap space", + PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX, + PERF_COUNTER); + init_perf_counter(&(data->memInfo.totalPhysKb), + &(data->memInfo.memObjDesc), + get_counter_id(data), + "Total Physical Kilobytes", + "Total Physical Kilobytes is a base counter", + PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW, + PERF_COUNTER); + init_perf_counter(&(data->memInfo.totalSwapKb), + &(data->memInfo.memObjDesc), + get_counter_id(data), + "Total Swap Kilobytes", + "Total Swap Kilobytes is a base counter", + PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_COUNTER_BASE | PERF_DISPLAY_NOSHOW, + PERF_COUNTER); + + return; +} + +void init_mem_data(PERF_DATA_BLOCK *data) +{ + data->memInfo.data = calloc(1, sizeof(*data->memInfo.data)); + if(!data->memInfo.data) + { + perror("init_memdata: out of memory"); + exit(1); + } + + init_memdata_desc(data); + + get_meminfo(data); + + return; +} + +void output_mem_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt) +{ + output_perf_desc(data->memInfo.memObjDesc, rt); + output_perf_desc(data->memInfo.availPhysKb, rt); + output_perf_desc(data->memInfo.availSwapKb, rt); + output_perf_desc(data->memInfo.totalPhysKb, rt); + output_perf_desc(data->memInfo.totalSwapKb, rt); + + return; +} + +void output_meminfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags) +{ + output_perf_counter(data->memInfo.availPhysKb, + (unsigned long long)data->memInfo.data->availPhysKb, + rt, tdb_flags); + output_perf_counter(data->memInfo.availSwapKb, + (unsigned long long)data->memInfo.data->availSwapKb, + rt, tdb_flags); + output_perf_counter(data->memInfo.totalPhysKb, + (unsigned long long)data->memInfo.data->totalPhysKb, + rt, tdb_flags); + output_perf_counter(data->memInfo.totalSwapKb, + (unsigned long long)data->memInfo.data->totalSwapKb, + rt, tdb_flags); + + return; +} diff --git a/examples/perfcounter/perf_writer_process.c b/examples/perfcounter/perf_writer_process.c new file mode 100644 index 0000000000..75a23dae51 --- /dev/null +++ b/examples/perfcounter/perf_writer_process.c @@ -0,0 +1,86 @@ +/* + * 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 get_processinfo(PERF_DATA_BLOCK *data) +{ + int status; + struct sysinfo info; + status = sysinfo(&info); + + data->processInfo.data->runningProcessCount = (unsigned int)info.procs; + + return; +} + +void init_processdata_desc(PERF_DATA_BLOCK *data) +{ + init_perf_counter(&(data->processInfo.processObjDesc), + &(data->processInfo.processObjDesc), + get_counter_id(data), + "Processes", + "%The Processes performance object displays aggregate information about processes on the machine.", + 0, + PERF_OBJECT); + init_perf_counter(&(data->processInfo.runningProcessCount), + &(data->processInfo.processObjDesc), + get_counter_id(data), + "Process Count", + "Process Count is the number of processes currently on the machine.", + PERF_SIZE_DWORD | PERF_TYPE_NUMBER | PERF_NUMBER_DECIMAL | PERF_DISPLAY_NO_SUFFIX, + PERF_COUNTER); + + return; +} + +void init_process_data(PERF_DATA_BLOCK *data) +{ + data->processInfo.data = calloc(1, sizeof(*data->processInfo.data)); + if(!(data->processInfo.data)) + { + perror("init_process_data: out of memory"); + exit(1); + } + + init_processdata_desc(data); + + get_processinfo(data); + + return; +} + +void output_processinfo(PERF_DATA_BLOCK *data, RuntimeSettings rt, int tdb_flags) +{ + output_perf_counter(data->processInfo.runningProcessCount, + (unsigned long long)data->processInfo.data->runningProcessCount, + rt, tdb_flags); + + return; +} + +void output_process_desc(PERF_DATA_BLOCK *data, RuntimeSettings rt) +{ + output_perf_desc(data->processInfo.processObjDesc, rt); + output_perf_desc(data->processInfo.runningProcessCount, rt); + + return; +} diff --git a/examples/perfcounter/perf_writer_util.c b/examples/perfcounter/perf_writer_util.c new file mode 100644 index 0000000000..bb6422bac2 --- /dev/null +++ b/examples/perfcounter/perf_writer_util.c @@ -0,0 +1,244 @@ +/* + * 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" + +extern sig_atomic_t keep_running; + +void fatal(char *msg) +{ + perror(msg); + exit(1); +} + +void add_key_raw(TDB_CONTEXT *db, char *keystring, void *databuf, size_t datasize, int flags) +{ + TDB_DATA key, data; + + key.dptr = keystring; + key.dsize = strlen(keystring); + data.dptr = databuf; + data.dsize = datasize; + fprintf(stderr, "doing insert of [%x] with key [%s] into [%s]\n", + data.dptr, + keystring, + db->name); + + tdb_store(db, key, data, flags); +} + +void add_key(TDB_CONTEXT *db, char *keystring, char *datastring, int flags) +{ + TDB_DATA key, data; + + key.dptr = keystring; + key.dsize = strlen(keystring); + data.dptr = datastring; + data.dsize = strlen(datastring); + /* fprintf(stderr, "doing insert of [%s] with key [%s] into [%s]\n", + data.dptr, + keystring, + db->name);*/ + + tdb_store(db, key, data, flags); +} + +void make_key(char *buf, int buflen, int key_part1, char *key_part2) +{ + memset(buf, 0, buflen); + if(key_part2 != NULL) + sprintf(buf, "%d%s", key_part1, key_part2); + else + sprintf(buf, "%d", key_part1); + + return; +} + +void usage(char *progname) +{ + fprintf(stderr, "Usage: %s [-d] [-f ].\n", progname); + fprintf(stderr, "\t-d: run as a daemon.\n"); + fprintf(stderr, "\t-f : path where the TDB files reside.\n"); + fprintf(stderr, "\t\tDEFAULT is /tmp/counters\n"); + exit(1); +} + +void parse_flags(RuntimeSettings *rt, int argc, char **argv) +{ + int flag; + + while((flag = getopt(argc, argv, "df:")) != -1) + { + switch(flag) + { + case 'd': + { + rt->dflag = TRUE; + break; + } + case 'f': + { + memcpy(rt->dbDir, optarg, strlen(optarg)); + break; + } + default: + { + usage(argv[0]); + } + } + } + + return; +} + +void setup_file_paths(RuntimeSettings *rt) +{ + int status; + + if(strlen(rt->dbDir) == 0) + { + /* No file path was passed in, use default */ + sprintf(rt->dbDir, "/tmp/counters"); + } + + sprintf(rt->nameFile, "%s/names.tdb", rt->dbDir); + sprintf(rt->counterFile, "%s/data.tdb", rt->dbDir); + + mkdir(rt->dbDir, O_RDWR); + rt->cnames = tdb_open(rt->nameFile, 0, TDB_CLEAR_IF_FIRST, O_RDWR | O_CREAT, 0644); + rt->cdata = tdb_open(rt->counterFile, 0, TDB_CLEAR_IF_FIRST, O_RDWR | O_CREAT, 0644); + + if(rt->cnames == NULL || rt->cdata == NULL) + { + perror("setup_file_paths"); + exit(1); + } + + return; +} + +void sigterm_handler() +{ + keep_running = FALSE; + return; +} + +void daemonize(RuntimeSettings *rt) +{ + pid_t pid; + int i; + int fd; + + /* Check if we're already a daemon */ + if(getppid() == 1) + return; + pid = fork(); + if(pid < 0) + /* can't fork */ + exit(1); + else if(pid > 0) + { + /* we're the parent */ + tdb_close(rt->cnames); + tdb_close(rt->cdata); + exit(0); + } + + /* get a new session */ + if(setsid() == -1) + exit(2); + + /* Change CWD */ + chdir("/"); + + /* close file descriptors */ + close(STDIN_FILENO); + close(STDOUT_FILENO); + close(STDERR_FILENO); + + /* And reopen them as safe defaults */ + fd = open("/dev/null", O_RDONLY); + if(fd != 0) + { + dup2(fd, 0); + close(fd); + } + fd = open("/dev/null", O_WRONLY); + if(fd != 1) + { + dup2(fd, 1); + close(fd); + } + fd = open("/dev/null", O_WRONLY); + if(fd != 2) + { + dup2(fd, 2); + close(fd); + } + + /* handle signals */ + signal(SIGINT, SIG_IGN); + signal(SIGHUP, SIG_IGN); + signal(SIGTERM, sigterm_handler); + + return; +} + +int get_counter_id(PERF_DATA_BLOCK *data) +{ + data->counter_id += 2; + data->num_counters++; + + return data->counter_id; +} + +void init_perf_counter(PerfCounter *counter, + PerfCounter *parent, + unsigned int index, + char *name, + char *help, + int counter_type, + int record_type) +{ + counter->index = index; + memcpy(counter->name, name, strlen(name)); + memcpy(counter->help, help, strlen(help)); + counter->counter_type = counter_type; + counter->record_type = record_type; + + switch(record_type) + { + case PERF_OBJECT: + sprintf(counter->relationships, "p"); + break; + case PERF_COUNTER: + sprintf(counter->relationships, "c[%d]", parent->index); + break; + case PERF_INSTANCE: + sprintf(counter->relationships, "i[%d]", parent->index); + break; + default: + perror("init_perf_counter: unknown record type"); + exit(1); + } + + return; +} diff --git a/examples/perfcounter/perfcountd.init b/examples/perfcounter/perfcountd.init new file mode 100755 index 0000000000..bb4148e52f --- /dev/null +++ b/examples/perfcounter/perfcountd.init @@ -0,0 +1,66 @@ +#!/bin/sh +# +# Copyright (C) Gerald Carter 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. +# +#################################################################### + +## This file should have uid root, gid sys and chmod 744 + +PATH=/bin:/usr/bin:/sbin:/usr/sbin + +killproc() +{ + pid=`ps aux | grep $1 | egrep -v '(grep|perfcountd)' | awk '{print $2}'` + if [ "$pid" != "" ]; then + kill $pid + fi +} + +# Start/stop processes + +case "$1" +in +start) + /opt/samba/bin/perfcount -d -f /var/lib/samba/perfmon 2> /dev/null + if [ $? -ne 0 ]; then + echo "Failed!" + exit 1 + fi + echo "done!" + ;; +stop) + killproc perfcount + ;; + +status) + pid=`ps aux | grep perfcount | egrep -v '(grep|perfcountd)' | awk '{print $2}'` + if [ "$pid" == "" ]; then + echo "Dead!" + exit 2; + fi + echo "OK!" + ;; +restart) + $0 stop && $0 start + ;; + +*) + echo "Usage: $0 { start|stop|restart|status }" + ;; +esac + + -- cgit