diff options
Diffstat (limited to 'examples/perfcounter/perf_writer.c')
| -rw-r--r-- | examples/perfcounter/perf_writer.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/examples/perfcounter/perf_writer.c b/examples/perfcounter/perf_writer.c new file mode 100644 index 0000000..054d9e8 --- /dev/null +++ b/examples/perfcounter/perf_writer.c @@ -0,0 +1,213 @@ +/* + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +#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) > 0 ? sysconf(_SC_NPROCESSORS_ONLN) : 1; + 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(*rt)); + + 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; +} |