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perfgroup.c
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perfgroup.c
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/*
* =======================================================================================
*
* Filename: perfgroup.c
*
* Description: Handler for performance groups and event sets
*
* Version: <VERSION>
* Released: <DATE>
*
* Author: Jan Treibig (jt), jan.treibig@gmail.com
* Thomas Gruber (tr), thomas.roehl@gmail.com
* Project: likwid
*
* Copyright (C) 2019 RRZE, University Erlangen-Nuremberg
*
* 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/>.
*
* =======================================================================================
*/
/* ##### HEADER FILE INCLUDES ######################################### */
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <dirent.h>
#include <pthread.h>
#include <error.h>
#include <perfgroup.h>
#include <topology.h>
#include <likwid.h>
#include <calculator.h>
#include <bstrlib.h>
#include <bstrlib_helper.h>
static int totalgroups = 0;
/* ##### FUNCTION DEFINITIONS - INTERNAL FUNCTIONS ################## */
static inline void *realloc_buffer(void *ptrmem, size_t size) {
void *ptr = realloc(ptrmem, size);
if (!ptr) {
fprintf(stderr, "realloc(%p, %lu): errno=%d\n", ptrmem, size, errno);
free (ptrmem);
}
if (!ptrmem)
{
memset(ptr, 0, size);
}
return ptr;
}
/* ##### FUNCTION DEFINITIONS - EXPORTED FUNCTIONS ################## */
int
isdir(char* dirname)
{
struct stat st;
if (NULL == dirname) {
return 0;
}
if (access(dirname, R_OK) != 0)
return 0;
stat(dirname, &st);
return S_ISDIR(st.st_mode) ? 1 : 0;
}
void
perfgroup_returnGroups(int groups, char** groupnames, char** groupshort, char** grouplong)
{
int i;
int freegroups = (totalgroups < groups ? groups : totalgroups);
for (i = 0; i <freegroups; i++)
{
free(groupnames[i]);
groupnames[i] = NULL;
if (i < groups)
{
if (groupshort[i] != NULL)
{
free(groupshort[i]);
groupshort[i] = NULL;
}
if (grouplong[i] != NULL)
{
free(grouplong[i]);
grouplong[i] = NULL;
}
}
}
if (groupnames != NULL)
{
free(groupnames);
groupnames = NULL;
}
if (groupshort != NULL)
{
free(groupshort);
groupshort = NULL;
}
if (grouplong != NULL)
{
free(grouplong);
grouplong = NULL;
}
}
int
perfgroup_getGroups(
const char* grouppath,
const char* architecture,
char*** groupnames,
char*** groupshort,
char*** grouplong)
{
int i = 0, j = 0, s = 0;
int fsize = 0, hsize = 0;
DIR *dp = NULL;
FILE* fp = NULL;
char buf[256] = { [0 ... 255] = '\0' };
struct dirent *ep = NULL;
*groupnames = NULL;
*groupshort = NULL;
*grouplong = NULL;
int search_home = 0;
bstring SHORT = bformat("SHORT");
bstring LONG = bformat("LONG");
bstring REQUIRE = bformat("REQUIRE_NOHT");
char* Home = getenv("HOME");
if (!Home) Home = "";
int read_long = 0;
if ((grouppath == NULL)||(architecture == NULL)||(groupnames == NULL)||(Home == NULL))
return -EINVAL;
char* fullpath = malloc((strlen(grouppath)+strlen(architecture)+50) * sizeof(char));
if (fullpath == NULL)
{
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
char* homepath = malloc((strlen(Home)+strlen(architecture)+50) * sizeof(char));
if (homepath == NULL)
{
free(fullpath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
fsize = sprintf(fullpath, "%s/%s", grouppath, architecture);
if (isdir(fullpath))
{
dp = opendir(fullpath);
if (dp == NULL)
{
printf("Cannot open directory %s\n", fullpath);
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -EACCES;
}
}
else
{
printf("Cannot access directory %s\n", fullpath);
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -EACCES;
}
i = 0;
s = 0;
while ((ep = readdir(dp)))
{
if (strncmp(&(ep->d_name[strlen(ep->d_name)-4]), ".txt", 4) == 0)
{
totalgroups++;
if (strlen(ep->d_name)-4 > s)
s = strlen(ep->d_name)-4;
}
}
closedir(dp);
hsize = sprintf(homepath, "%s/.likwid/groups/%s", Home, architecture);
if (isdir(homepath))
{
search_home = 1;
dp = opendir(homepath);
if (dp == NULL)
{
search_home = 0;
}
if (search_home)
{
while ((ep = readdir(dp)))
{
if (strncmp(&(ep->d_name[strlen(ep->d_name)-4]), ".txt", 4) == 0)
{
totalgroups++;
if (strlen(ep->d_name)-4 > s)
s = strlen(ep->d_name)-4;
}
}
closedir(dp);
}
}
*groupnames = malloc(totalgroups * sizeof(char**));
if (*groupnames == NULL)
{
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
memset(*groupnames, 0, totalgroups * sizeof(char**));
*groupshort = malloc(totalgroups * sizeof(char**));
if (*groupshort == NULL)
{
free(*groupnames);
*groupnames = NULL;
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
memset(*groupshort, 0, totalgroups * sizeof(char**));
*grouplong = malloc(totalgroups * sizeof(char**));
if (*grouplong == NULL)
{
free(*groupnames);
*groupnames = NULL;
free(*groupshort);
*groupshort = NULL;
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
memset(*grouplong, 0, totalgroups * sizeof(char**));
for (j=0; j < totalgroups; j++)
{
(*groupnames)[j] = malloc((s+1) * sizeof(char));
if ((*groupnames)[j] == NULL)
{
for (s=0; s<j; s++)
{
free((*groupnames)[s]);
}
free(*groupnames);
*groupnames = NULL;
free(*groupshort);
*groupshort = NULL;
free(*grouplong);
*grouplong = NULL;
free(fullpath);
free(homepath);
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
return -ENOMEM;
}
}
dp = opendir(fullpath);
i = 0;
int skip_group = 0;
while ((ep = readdir(dp)))
{
if (strncmp(&(ep->d_name[strlen(ep->d_name)-4]), ".txt", 4) == 0)
{
read_long = 0;
bstring long_info = bfromcstr("");
sprintf(&(fullpath[fsize]), "/%s", ep->d_name);
if (!access(fullpath, R_OK))
{
(*grouplong)[i] = NULL;
s = sprintf((*groupnames)[i], "%.*s", (int)(strlen(ep->d_name)-4), ep->d_name);
(*groupnames)[i][s] = '\0';
fp = fopen(fullpath,"r");
while (fgets (buf, sizeof(buf), fp)) {
bstring bbuf = bfromcstr(buf);
btrimws(bbuf);
if ((blength(bbuf) == 0) || (buf[0] == '#'))
{
bdestroy(bbuf);
continue;
}
if (bstrncmp(bbuf, SHORT, 5) == 0)
{
struct bstrList * linelist = bsplit(bbuf, ' ');
bstring sinfo;
if (linelist->qty == 1)
{
fprintf(stderr,"Cannot read SHORT section in groupfile %s",fullpath);
bdestroy(bbuf);
bstrListDestroy(linelist);
continue;
}
s = 1;
for (j=s;j<linelist->qty; j++)
{
btrimws(linelist->entry[j]);
if (blength(linelist->entry[j]) == 0)
s += 1;
else
break;
}
btrimws(linelist->entry[s]);
sinfo = bformat("%s", bdata(linelist->entry[s]));
for (j=s+1;j<linelist->qty; j++)
{
btrimws(linelist->entry[j]);
bstring tmp = bformat(" %s", bdata(linelist->entry[j]));
bconcat(sinfo, tmp);
bdestroy(tmp);
}
(*groupshort)[i] = malloc((blength(sinfo)+1) * sizeof(char));
if ((*groupshort)[i] == NULL)
{
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(bbuf);
bdestroy(sinfo);
bdestroy(REQUIRE);
free(homepath);
free(fullpath);
bdestroy(long_info);
bstrListDestroy(linelist);
perfgroup_returnGroups(i, *groupnames, *groupshort, *grouplong);
return -ENOMEM;
}
s = sprintf((*groupshort)[i], "%s", bdata(sinfo));
(*groupshort)[i][s] = '\0';
bstrListDestroy(linelist);
bdestroy(sinfo);
}
else if (bstrncmp(bbuf, REQUIRE, blength(REQUIRE)) == 0)
{
if (cpuid_topology.numThreadsPerCore > 1)
{
skip_group = 1;
}
}
else if (bstrncmp(bbuf, LONG, 4) == 0)
{
read_long = 1;
}
else if ((read_long == 1) && (bstrncmp(bbuf, LONG, 4) != 0))
{
bstring tmp = bfromcstr(buf);
bconcat(long_info, tmp);
bdestroy(tmp);
}
bdestroy(bbuf);
}
if (read_long)
{
(*grouplong)[i] = malloc((blength(long_info) + 1) * sizeof(char) );
if ((*grouplong)[i] != NULL)
{
j = sprintf((*grouplong)[i], "%s", bdata(long_info));
(*grouplong)[i][j] = '\0';
}
}
fclose(fp);
if (skip_group)
{
if ((*grouplong)[i] != NULL)
{
free((*grouplong)[i]);
(*grouplong)[i] = NULL;
}
if ((*groupshort)[i] != NULL)
{
free((*groupshort)[i]);
(*groupshort)[i] = NULL;
}
(*groupnames)[i][0] = '\0';
bdestroy(long_info);
goto skip_cur_def_group;
}
i++;
}
bdestroy(long_info);
}
skip_cur_def_group:
skip_group = 0;
}
closedir(dp);
if (!search_home)
{
if (i==0)
perfgroup_returnGroups(totalgroups, *groupnames, *groupshort, *grouplong);
/*else if (i < totalgroups)
{
for (s=i;s<totalgroups;s++)
{
(*grouplong)[i] = NULL;
(*groupshort)[i] = NULL;
}
}*/
free(homepath);
free(fullpath);
bdestroy(SHORT);
bdestroy(REQUIRE);
bdestroy(LONG);
return i;
}
else
{
dp = opendir(homepath);
while ((ep = readdir(dp)))
{
if (strncmp(&(ep->d_name[strlen(ep->d_name)-4]), ".txt", 4) == 0)
{
read_long = 0;
bstring long_info = bfromcstr("");;
sprintf(&(homepath[hsize]), "/%s", ep->d_name);
if (!access(homepath, R_OK))
{
(*grouplong)[i] = NULL;
s = sprintf((*groupnames)[i], "%.*s", (int)(strlen(ep->d_name)-4), ep->d_name);
(*groupnames)[i][s] = '\0';
fp = fopen(homepath,"r");
while (fgets (buf, sizeof(buf), fp)) {
bstring bbuf = bfromcstr(buf);
btrimws(bbuf);
if ((blength(bbuf) == 0) || (buf[0] == '#'))
{
bdestroy(bbuf);
continue;
}
if (bstrncmp(bbuf, SHORT, 5) == 0)
{
struct bstrList * linelist = bsplit(bbuf, ' ');
bstring sinfo;
if (linelist->qty == 1)
{
fprintf(stderr,"Cannot read SHORT section in groupfile %s",fullpath);
bdestroy(bbuf);
bstrListDestroy(linelist);
continue;
}
s = 1;
for (j=s;j<linelist->qty; j++)
{
btrimws(linelist->entry[j]);
if (blength(linelist->entry[j]) == 0)
s += 1;
else
break;
}
btrimws(linelist->entry[s]);
sinfo = bformat("%s", bdata(linelist->entry[s]));
for (j=s+1;j<linelist->qty; j++)
{
btrimws(linelist->entry[j]);
bstring tmp = bformat(" %s", bdata(linelist->entry[j]));
bconcat(sinfo, tmp);
bdestroy(tmp);
}
(*groupshort)[i] = malloc((blength(sinfo)+1) * sizeof(char));
if ((*groupshort)[i] == NULL)
{
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
bdestroy(bbuf);
bdestroy(sinfo);
free(homepath);
free(fullpath);
bstrListDestroy(linelist);
bdestroy(long_info);
perfgroup_returnGroups(i, *groupnames, *groupshort, *grouplong);
return -ENOMEM;
}
s = sprintf((*groupshort)[i], "%s", bdata(sinfo));
(*groupshort)[i][s] = '\0';
bstrListDestroy(linelist);
bdestroy(sinfo);
}
else if (bstrncmp(bbuf, REQUIRE, blength(REQUIRE)) == 0)
{
if (cpuid_topology.numThreadsPerCore > 1)
{
skip_group = 1;
}
}
else if (bstrncmp(bbuf, LONG, 4) == 0)
{
read_long = 1;
}
else if ((read_long == 1) && (bstrncmp(bbuf, LONG, 4) != 0))
{
bstring tmp = bfromcstr(buf);
bconcat(long_info, tmp);
bdestroy(tmp);
}
bdestroy(bbuf);
}
if (read_long)
{
(*grouplong)[i] = malloc((blength(long_info) + 1) * sizeof(char) );
if ((*grouplong)[i] != NULL)
{
j = sprintf((*grouplong)[i], "%s", bdata(long_info));
(*grouplong)[i][j] = '\0';
}
}
fclose(fp);
if (skip_group)
{
if ((*groupshort)[i])
{
free((*groupshort)[i]);
(*groupshort)[i] = NULL;
}
if ((*grouplong)[i])
{
free((*grouplong)[i]);
(*grouplong)[i] = NULL;
}
bdestroy(long_info);
goto skip_cur_home_group;
}
i++;
}
bdestroy(long_info);
}
skip_cur_home_group:
skip_group = 0;
}
closedir(dp);
}
if (i==0)
perfgroup_returnGroups(totalgroups, *groupnames, *groupshort, *grouplong);
/* else if (i < totalgroups)
{
for (s=i;s<totalgroups;s++)
{
printf("Setting NULL for group %d\n", s);
(*groupnames)[i] = NULL;
(*grouplong)[i] = NULL;
(*groupshort)[i] = NULL;
}
}*/
bdestroy(SHORT);
bdestroy(LONG);
bdestroy(REQUIRE);
free(fullpath);
free(homepath);
return i;
}
int perfgroup_customGroup(const char* eventStr, GroupInfo* ginfo)
{
int i, j;
int err = 0;
char delim = ',';
bstring edelim = bformat(":");
int has_fix0 = 0;
int has_fix1 = 0;
int has_fix2 = 0;
int has_fix3 = 0;
int gpu_events = 0;
ginfo->shortinfo = NULL;
ginfo->nevents = 0;
ginfo->events = NULL;
ginfo->counters = NULL;
ginfo->nmetrics = 0;
ginfo->metricformulas = NULL;
ginfo->metricnames = NULL;
ginfo->longinfo = NULL;
bstring eventBstr;
struct bstrList * eventList;
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64)
bstring fix0 = bformat("FIXC0");
bstring fix1 = bformat("FIXC1");
bstring fix2 = bformat("FIXC2");
bstring fix3 = bformat("FIXC3");
#endif
#ifdef _ARCH_PPC
bstring fix0 = bformat("PMC4");
bstring fix1 = bformat("PMC5");
#endif
#if defined(__ARM_ARCH_8A) || defined(__ARM_ARCH_7A__)
bstring fix0 = bformat("012345");
bstring fix1 = bformat("012345");
#endif
#ifdef LIKWID_WITH_NVMON
bstring gpu = bformat("GPU");
#endif
DEBUG_PRINT(DEBUGLEV_INFO, Creating custom group for event string %s, eventStr);
ginfo->shortinfo = malloc(7 * sizeof(char));
if (ginfo->shortinfo == NULL)
{
err = -ENOMEM;
goto cleanup;
}
sprintf(ginfo->shortinfo, "%s", "Custom");
ginfo->longinfo = malloc(7 * sizeof(char));
if (ginfo->longinfo == NULL)
{
err = -ENOMEM;
goto cleanup;
}
sprintf(ginfo->longinfo, "%s", "Custom");
ginfo->groupname = malloc(7 * sizeof(char));
if (ginfo->groupname == NULL)
{
err = -ENOMEM;
goto cleanup;
}
sprintf(ginfo->groupname, "%s", "Custom");
eventBstr = bfromcstr(eventStr);
eventList = bsplit(eventBstr, delim);
ginfo->nevents = eventList->qty;
if (cpuid_info.isIntel || cpuid_info.family == PPC_FAMILY)
{
if (binstr(eventBstr, 0, fix0) > 0)
{
has_fix0 = 1;
}
else
{
ginfo->nevents++;
}
if (binstr(eventBstr, 0, fix1) > 0)
{
has_fix1 = 1;
}
else
{
ginfo->nevents++;
}
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64)
if (binstr(eventBstr, 0, fix2) > 0)
{
has_fix2 = 1;
}
else
{
ginfo->nevents++;
}
if (binstr(eventBstr, 0, fix3) > 0)
{
has_fix3 = 1;
}
else
{
ginfo->nevents++;
}
#endif
}
bdestroy(eventBstr);
ginfo->events = malloc(ginfo->nevents * sizeof(char*));
if (ginfo->events == NULL)
{
err = -ENOMEM;
bstrListDestroy(eventList);
goto cleanup;
}
ginfo->counters = malloc(ginfo->nevents * sizeof(char*));
if (ginfo->counters == NULL)
{
err = -ENOMEM;
bstrListDestroy(eventList);
goto cleanup;
}
for (i = 0; i< eventList->qty; i++)
{
int s;
struct bstrList * elist;
elist = bsplit(eventList->entry[i], ':');
ginfo->events[i] = malloc((blength(elist->entry[0]) + 1) * sizeof(char));
if (ginfo->events[i] == NULL)
{
bstrListDestroy(elist);
err = -ENOMEM;
goto cleanup;
}
bstring ctr = bstrcpy(elist->entry[1]);
if (elist->qty > 2)
{
for (j = 2; j < elist->qty; j++)
{
bconcat(ctr, edelim);
bconcat(ctr, elist->entry[j]);
}
}
ginfo->counters[i] = malloc((blength(ctr) + 1) * sizeof(char));
if (ginfo->counters[i] == NULL)
{
bstrListDestroy(elist);
bdestroy(ctr);
err = -ENOMEM;
goto cleanup;
}
sprintf(ginfo->events[i], "%s", bdata(elist->entry[0]));
snprintf(ginfo->counters[i], blength(ctr)+1, "%s", bdata(ctr));
#ifdef LIKWID_WITH_NVMON
if (binstr(elist->entry[1], 0, gpu) != BSTR_ERR)
{
gpu_events++;
}
#endif
bdestroy(ctr);
bstrListDestroy(elist);
}
i = eventList->qty;
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64)
if (cpuid_info.isIntel && i != gpu_events)
{
if ((!has_fix0) && cpuid_info.perf_num_fixed_ctr > 0)
{
ginfo->events[i] = malloc(18 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "INSTR_RETIRED_ANY");
sprintf(ginfo->counters[i], "%s", "FIXC0");
i++;
}
if ((!has_fix1) && cpuid_info.perf_num_fixed_ctr > 1)
{
ginfo->events[i] = malloc(22 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "CPU_CLK_UNHALTED_CORE");
sprintf(ginfo->counters[i], "%s", "FIXC1");
i++;
}
if ((!has_fix2) && cpuid_info.perf_num_fixed_ctr > 2)
{
ginfo->events[i] = malloc(21 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "CPU_CLK_UNHALTED_REF");
sprintf(ginfo->counters[i], "%s", "FIXC2");
i++;
}
if ((!has_fix3) && cpuid_info.perf_num_fixed_ctr > 3 &&
(cpuid_info.model == ICELAKE1 || cpuid_info.model == ICELAKE2 || cpuid_info.model == ICELAKEX1 || cpuid_info.model == ICELAKEX2 || cpuid_info.model == ROCKETLAKE || cpuid_info.model == SAPPHIRERAPIDS || cpuid_info.model == TIGERLAKE1 || cpuid_info.model == TIGERLAKE2))
{
ginfo->events[i] = malloc(14 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "TOPDOWN_SLOTS");
sprintf(ginfo->counters[i], "%s", "FIXC3");
i++;
}
}
ginfo->nevents = i;
#endif
#ifdef _ARCH_PPC
if (!has_fix0)
{
ginfo->events[i] = malloc(18 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "PM_RUN_INST_CMPL");
sprintf(ginfo->counters[i], "%s", "PMC4");
i++;
}
if (!has_fix1)
{
ginfo->events[i] = malloc(22 * sizeof(char));
ginfo->counters[i] = malloc(6 * sizeof(char));
sprintf(ginfo->events[i], "%s", "PM_RUN_CYC");
sprintf(ginfo->counters[i], "%s", "PMC5");
i++;
}
#endif
bstrListDestroy(eventList);
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64)
bdestroy(fix0);
bdestroy(fix1);
bdestroy(fix2);
#endif
bdestroy(edelim);
return 0;
cleanup:
bstrListDestroy(eventList);
#if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) || defined(__x86_64)
bdestroy(fix0);
bdestroy(fix1);
bdestroy(fix2);
#endif
#ifdef LIKWID_WITH_NVMON
bdestroy(gpu);
#endif
bdestroy(edelim);
if (ginfo->shortinfo != NULL)
free(ginfo->shortinfo);
if (ginfo->events != NULL)
free(ginfo->events);
if (ginfo->counters != NULL)
free(ginfo->counters);
return err;
}
int
perfgroup_readGroup(
const char* grouppath,
const char* architecture,
const char* groupname,
GroupInfo* ginfo)
{
FILE* fp;
int i, s, e, err = 0;
char buf[1024];
GroupFileSections sec = GROUP_NONE;
bstring REQUIRE = bformat("REQUIRE_NOHT");
char* Home = getenv("HOME");
if (!Home) Home = "";
if ((grouppath == NULL)||(architecture == NULL)||(groupname == NULL)||(ginfo == NULL)||(Home == NULL))
return -EINVAL;
bstring fullpath = bformat("%s/%s/%s.txt", grouppath,architecture, groupname);
bstring homepath = bformat("%s/.likwid/groups/%s/%s.txt", Home,architecture, groupname);
if (access(bdata(fullpath), R_OK))
{
DEBUG_PRINT(DEBUGLEV_INFO, Cannot read group file %s. Trying %s, bdata(fullpath), bdata(homepath));
if (access(bdata(homepath), R_OK))
{
ERROR_PRINT(Cannot read group file %s.txt. Searched in %s and %s, groupname, bdata(fullpath), bdata(homepath));
bdestroy(REQUIRE);
bdestroy(fullpath);
bdestroy(homepath);
return -EACCES;
}
else
{
bdestroy(fullpath);
fullpath = bstrcpy(homepath);
}
}
DEBUG_PRINT(DEBUGLEV_INFO, Reading group %s from %s, groupname, bdata(fullpath));
ginfo->shortinfo = NULL;
ginfo->nevents = 0;
ginfo->events = NULL;
ginfo->counters = NULL;
ginfo->nmetrics = 0;
ginfo->metricformulas = NULL;
ginfo->metricnames = NULL;
ginfo->longinfo = NULL;
ginfo->groupname = (char*)malloc((strlen(groupname)+10)*sizeof(char));
if (ginfo->groupname == NULL)
{
err = -ENOMEM;
goto cleanup;
}
//strncpy(ginfo->groupname, groupname, strlen(groupname));
i = sprintf(ginfo->groupname, "%s", groupname);
ginfo->groupname[i] = '\0';
fp = fopen(bdata(fullpath), "r");
if (fp == NULL)
{
free(ginfo->groupname);
bdestroy(fullpath);
bdestroy(homepath);
return -EACCES;
}
struct bstrList * linelist;
while (fgets (buf, 1023*sizeof(char), fp)) {
if ((strlen(buf) == 0) || (buf[0] == '#'))
continue;
if (strncmp(groupFileSectionNames[GROUP_SHORT], buf, strlen(groupFileSectionNames[GROUP_SHORT])) == 0)
{
sec = GROUP_SHORT;
for (i=strlen(groupFileSectionNames[GROUP_SHORT]); i < strlen(buf); i++)
{
if (buf[i] == ' ')
continue;
break;
}
ginfo->shortinfo = malloc(strlen(&(buf[i])) * sizeof(char));
sprintf(ginfo->shortinfo, "%.*s", (int)strlen(&(buf[i]))-1, &(buf[i]));
continue;
}
else if (strncmp(bdata(REQUIRE), buf, blength(REQUIRE)) == 0)
{
if (cpuid_topology.numThreadsPerCore > 1)
{
err = -ENODEV;
goto cleanup;
}
continue;
}
else if (strncmp(groupFileSectionNames[GROUP_EVENTSET], buf, strlen(groupFileSectionNames[GROUP_EVENTSET])) == 0)
{
sec = GROUP_EVENTSET;
continue;
}
else if (strncmp(groupFileSectionNames[GROUP_METRICS], buf, strlen(groupFileSectionNames[GROUP_METRICS])) == 0)
{
sec = GROUP_METRICS;
continue;
}
else if (strncmp(groupFileSectionNames[GROUP_LONG], buf, strlen(groupFileSectionNames[GROUP_LONG])) == 0)
{
sec = GROUP_LONG;
continue;
}
else if (strncmp(groupFileSectionNames[GROUP_LUA], buf, strlen(groupFileSectionNames[GROUP_LUA])) == 0)
{
sec = GROUP_LUA;
continue;
}
if (sec == GROUP_NONE)
continue;
if (sec == GROUP_EVENTSET)
{
i = 0;
bstring bbuf = bfromcstr(buf);
btrimws(bbuf);
if (blength(bbuf) == 0)
{
bdestroy(bbuf);
sec = GROUP_NONE;
continue;
}
linelist = bsplit(bbuf, ' ');
for (i=0; i<linelist->qty; i++)
btrimws(linelist->entry[i]);
bdestroy(bbuf);
bbuf = bstrcpy(linelist->entry[0]);
for (i=1; i<linelist->qty; i++)
{
if (blength(linelist->entry[i]) > 0)
{
bstring tmp = bformat(" %s", bdata(linelist->entry[i]));
bconcat(bbuf, tmp);
bdestroy(tmp);
}
}
if (ginfo->events == NULL)
{
ginfo->events = (char**)malloc(sizeof(char*));
if (ginfo->events == NULL)
{
err = -ENOMEM;
bdestroy(bbuf);
goto cleanup;
}
}
else
{
char** tmp = NULL;
tmp = realloc(ginfo->events, (ginfo->nevents + 1) * sizeof(char*));
if (tmp == NULL)
{
free(ginfo->events);
bdestroy(bbuf);
err = -ENOMEM;
goto cleanup;
}
else
{
ginfo->events = tmp;
tmp = NULL;
}