|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* self_view.c - example of self-monitoring with PMD access via remapping
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.
|
|
Packit |
577717 |
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
Packit |
577717 |
* of this software and associated documentation files (the "Software"), to deal
|
|
Packit |
577717 |
* in the Software without restriction, including without limitation the rights
|
|
Packit |
577717 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
Packit |
577717 |
* of the Software, and to permit persons to whom the Software is furnished to do so,
|
|
Packit |
577717 |
* subject to the following conditions:
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* The above copyright notice and this permission notice shall be included in all
|
|
Packit |
577717 |
* copies or substantial portions of the Software.
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
|
|
Packit |
577717 |
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
|
|
Packit |
577717 |
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
Packit |
577717 |
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
|
|
Packit |
577717 |
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
|
|
Packit |
577717 |
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
#include <sys/types.h>
|
|
Packit |
577717 |
#include <inttypes.h>
|
|
Packit |
577717 |
#include <stdio.h>
|
|
Packit |
577717 |
#include <stdlib.h>
|
|
Packit |
577717 |
#include <stdarg.h>
|
|
Packit |
577717 |
#include <errno.h>
|
|
Packit |
577717 |
#include <unistd.h>
|
|
Packit |
577717 |
#include <string.h>
|
|
Packit |
577717 |
#include <signal.h>
|
|
Packit |
577717 |
#include <sys/mman.h>
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#include <perfmon/pfmlib.h>
|
|
Packit |
577717 |
#include <perfmon/perfmon.h>
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#include "detect_pmcs.h"
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#define NUM_PMCS PFMLIB_MAX_PMCS
|
|
Packit |
577717 |
#define NUM_PMDS PFMLIB_MAX_PMDS
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#define MAX_EVT_NAME_LEN 128
|
|
Packit |
577717 |
|
|
Packit |
577717 |
typedef struct {
|
|
Packit |
577717 |
uint64_t val;
|
|
Packit |
577717 |
unsigned int reg_num;
|
|
Packit |
577717 |
char name[MAX_EVT_NAME_LEN];
|
|
Packit |
577717 |
} pmd_val_t;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
|
|
Packit |
577717 |
static pfm_set_view_t *view0;
|
|
Packit |
577717 |
static pmd_val_t pmdv[NUM_PMDS];
|
|
Packit |
577717 |
static unsigned int num_pmdv;
|
|
Packit |
577717 |
static uint64_t ovfl_mask;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
static void fatal_error(char *fmt,...) __attribute__((noreturn));
|
|
Packit |
577717 |
|
|
Packit |
577717 |
static void
|
|
Packit |
577717 |
fatal_error(char *fmt, ...)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
va_list ap;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
va_start(ap, fmt);
|
|
Packit |
577717 |
vfprintf(stderr, fmt, ap);
|
|
Packit |
577717 |
va_end(ap);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
exit(1);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#ifdef __ia64__
|
|
Packit |
577717 |
#define get_pmd(n) ia64_get_pmd(n)
|
|
Packit |
577717 |
#elif defined(__x86_64__) || defined(__i386__)
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* IMPORTANT:
|
|
Packit |
577717 |
* there is an implicit assumption here that the perfmon-2
|
|
Packit |
577717 |
* PMD mapping and the rdpmc mapping correspond. As such
|
|
Packit |
577717 |
* pmd0 -> rdpmc(0)
|
|
Packit |
577717 |
* pmd1 -> rdpmc(1)
|
|
Packit |
577717 |
* ...
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
#define rdpmc(counter,low,high) \
|
|
Packit |
577717 |
__asm__ __volatile__("rdpmc" \
|
|
Packit |
577717 |
: "=a" (low), "=d" (high) \
|
|
Packit |
577717 |
: "c" (counter))
|
|
Packit |
577717 |
|
|
Packit |
577717 |
uint64_t
|
|
Packit |
577717 |
get_pmd(unsigned int n)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
uint32_t high, low;
|
|
Packit |
577717 |
uint64_t tmp;
|
|
Packit |
577717 |
rdpmc(n, low, high);
|
|
Packit |
577717 |
tmp = (uint64_t)high <<32 | low;
|
|
Packit |
577717 |
return tmp;
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
#elif defined(__mips__) || defined(__powerpc__)
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* XXX: MIPS does not have an instruction to read a counter at the user level
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
uint64_t
|
|
Packit |
577717 |
get_pmd(unsigned int n)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
return(0ULL);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
#else
|
|
Packit |
577717 |
#error "you need to define get_pmd for your architecture"
|
|
Packit |
577717 |
#endif
|
|
Packit |
577717 |
|
|
Packit |
577717 |
static void
|
|
Packit |
577717 |
show_view_self(int is_loaded)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
unsigned int i, is_active;
|
|
Packit |
577717 |
uint64_t val, hw_val;
|
|
Packit |
577717 |
uint64_t mask = ovfl_mask;
|
|
Packit |
577717 |
unsigned long retries = 0;
|
|
Packit |
577717 |
unsigned long start_seq, end_seq;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
retries = -1;
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* print the results
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
retry:
|
|
Packit |
577717 |
retries++;
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* get initial sequence number, if the number changes
|
|
Packit |
577717 |
* while we are scanning, it means the view was updated
|
|
Packit |
577717 |
* and we need to retry
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
start_seq = view0->set_seq;
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* active is true if the set is the active set
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
is_active = view0->set_status & PFM_SETVFL_ACTIVE;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
printf("retries=%lu active=%d view_seq=%lu set_runs=%"PRIu64"\n",
|
|
Packit |
577717 |
retries,
|
|
Packit |
577717 |
view0->set_status,
|
|
Packit |
577717 |
view0->set_seq,
|
|
Packit |
577717 |
view0->set_runs);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* extract information directly from view
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
for (i=0; i < num_pmdv; i++) {
|
|
Packit |
577717 |
val = view0->set_pmds[pmdv[i].reg_num];
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* is context is attached and set is active then
|
|
Packit |
577717 |
* we need to complement the software value with
|
|
Packit |
577717 |
* the current hardware value. For self-monitoring
|
|
Packit |
577717 |
* with simply need to read the PMD
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (is_loaded && is_active) {
|
|
Packit |
577717 |
hw_val = get_pmd(pmdv[i].reg_num);
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* update the lower portion of the 64-bit
|
|
Packit |
577717 |
* value with the hardware value
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
val = (val & ~mask) | (hw_val & mask);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
pmdv[i].val = val;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* check if sequence number is still the same
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
end_seq = view0->set_seq;
|
|
Packit |
577717 |
if (end_seq != start_seq) goto retry;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* print results
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
for (i=0; i < num_pmdv; i++) {
|
|
Packit |
577717 |
printf("%20"PRIu64" %s\n", pmdv[i].val, pmdv[i].name);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
uint64_t
|
|
Packit |
577717 |
noploop(uint64_t loop)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
|
|
Packit |
577717 |
while (loop--) {
|
|
Packit |
577717 |
if ((loop % 10000) == 0) show_view_self(1);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
return loop;
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
|
|
Packit |
577717 |
|
|
Packit |
577717 |
int
|
|
Packit |
577717 |
main(int argc, char **argv)
|
|
Packit |
577717 |
{
|
|
Packit |
577717 |
char **p;
|
|
Packit |
577717 |
unsigned int i;
|
|
Packit |
577717 |
int ret, ctx_fd;
|
|
Packit |
577717 |
pfmlib_input_param_t inp;
|
|
Packit |
577717 |
pfmlib_output_param_t outp;
|
|
Packit |
577717 |
pfarg_pmd_t pd[NUM_PMDS];
|
|
Packit |
577717 |
pfarg_pmc_t pc[NUM_PMCS];
|
|
Packit |
577717 |
pfarg_ctx_t ctx[1];
|
|
Packit |
577717 |
pfarg_setinfo_t setinfo;
|
|
Packit |
577717 |
pfarg_load_t load_args;
|
|
Packit |
577717 |
pfmlib_options_t pfmlib_options;
|
|
Packit |
577717 |
unsigned int num_counters, width;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
#ifdef __mips__
|
|
Packit |
577717 |
printf("<<WARNING: MIPS does not have an instruction to read a counter at the user level. Results are wrong>>\n");
|
|
Packit |
577717 |
#endif
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* pass options to library (optional)
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
memset(&pfmlib_options, 0, sizeof(pfmlib_options));
|
|
Packit |
577717 |
pfmlib_options.pfm_debug = 0; /* set to 1 for debug */
|
|
Packit |
577717 |
pfmlib_options.pfm_verbose = 1; /* set to 1 for debug */
|
|
Packit |
577717 |
pfm_set_options(&pfmlib_options);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* Initialize pfm library (required before we can use it)
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
ret = pfm_initialize();
|
|
Packit |
577717 |
if (ret != PFMLIB_SUCCESS)
|
|
Packit |
577717 |
fatal_error("Cannot initialize library: %s\n", pfm_strerror(ret));
|
|
Packit |
577717 |
|
|
Packit |
577717 |
pfm_get_num_counters(&num_counters);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
pfm_get_hw_counter_width(&width);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
ovfl_mask = (1ULL << width)-1;
|
|
Packit |
577717 |
printf("width=%u ovfl_mask=0x%"PRIx64"\n", width, ovfl_mask);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
memset(pd, 0, sizeof(pd));
|
|
Packit |
577717 |
memset(pc, 0, sizeof(pc));
|
|
Packit |
577717 |
memset(ctx, 0, sizeof(ctx));
|
|
Packit |
577717 |
memset(&load_args, 0, sizeof(load_args));
|
|
Packit |
577717 |
memset(&setinfo, 0, sizeof(setinfo));
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* prepare parameters to library. we don't use any Itanium
|
|
Packit |
577717 |
* specific features here. so the pfp_model is NULL.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
memset(&inp,0, sizeof(inp));
|
|
Packit |
577717 |
memset(&outp,0, sizeof(outp));
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* be nice to user!
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (argc > 1) {
|
|
Packit |
577717 |
p = argv+1;
|
|
Packit |
577717 |
for (i=0; *p ; i++, p++) {
|
|
Packit |
577717 |
if (pfm_find_full_event(*p, &inp.pfp_events[i]) != PFMLIB_SUCCESS) {
|
|
Packit |
577717 |
fatal_error("Cannot find %s event\n", *p);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
} else {
|
|
Packit |
577717 |
if (pfm_get_cycle_event(&inp.pfp_events[0]) != PFMLIB_SUCCESS) {
|
|
Packit |
577717 |
fatal_error("cannot find cycle event\n");
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
if (pfm_get_inst_retired_event(&inp.pfp_events[1]) != PFMLIB_SUCCESS) {
|
|
Packit |
577717 |
fatal_error("cannot find inst retired event\n");
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
i = 2;
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* set the default privilege mode for all counters:
|
|
Packit |
577717 |
* PFM_PLM3 : user level only
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
inp.pfp_dfl_plm = PFM_PLM3;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
if (i > num_counters) {
|
|
Packit |
577717 |
i = num_counters;
|
|
Packit |
577717 |
printf("too many events provided (max=%d events), using first %d event(s)\n", num_counters, i);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* how many counters we use
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
inp.pfp_event_count = i;
|
|
Packit |
577717 |
|
|
Packit |
577717 |
ctx[0].ctx_flags = PFM_FL_MAP_SETS;
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* now create a new context, per process context.
|
|
Packit |
577717 |
* This just creates a new context with some initial state, it is not
|
|
Packit |
577717 |
* active nor attached to any process.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
ctx_fd = pfm_create_context(ctx, NULL, NULL, 0);
|
|
Packit |
577717 |
if (ctx_fd == -1) {
|
|
Packit |
577717 |
if (errno == ENOSYS) {
|
|
Packit |
577717 |
fatal_error("Your kernel does not have performance monitoring support!\n");
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
fatal_error("Can't create PFM context %s\n", strerror(errno));
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* build the pfp_unavail_pmcs bitmask by looking
|
|
Packit |
577717 |
* at what perfmon has available. It is not always
|
|
Packit |
577717 |
* the case that all PMU registers are actually available
|
|
Packit |
577717 |
* to applications. For instance, on IA-32 platforms, some
|
|
Packit |
577717 |
* registers may be reserved for the NMI watchdog timer.
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* With this bitmap, the library knows which registers NOT to
|
|
Packit |
577717 |
* use. Of source, it is possible that no valid assignement may
|
|
Packit |
577717 |
* be possible if certina PMU registers are not available.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
detect_unavail_pmcs(ctx_fd, &inp.pfp_unavail_pmcs);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* let the library figure out the values for the PMCS
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if ((ret=pfm_dispatch_events(&inp, NULL, &outp, NULL)) != PFMLIB_SUCCESS) {
|
|
Packit |
577717 |
fatal_error("cannot configure events: %s\n", pfm_strerror(ret));
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* Now prepare the argument to initialize the PMDs and PMCS.
|
|
Packit |
577717 |
* We must pfp_pmc_count to determine the number of PMC to intialize.
|
|
Packit |
577717 |
* We must use pfp_event_count to determine the number of PMD to initialize.
|
|
Packit |
577717 |
* Some events causes extra PMCs to be used, so pfp_pmc_count may be >= pfp_event_count.
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* This step is new compared to libpfm-2.x. It is necessary because the library no
|
|
Packit |
577717 |
* longer knows about the kernel data structures.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
|
|
Packit |
577717 |
for (i=0; i < outp.pfp_pmc_count; i++) {
|
|
Packit |
577717 |
pc[i].reg_num = outp.pfp_pmcs[i].reg_num;
|
|
Packit |
577717 |
pc[i].reg_value = outp.pfp_pmcs[i].reg_value;
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
for(i=0; i < outp.pfp_pmd_count; i++)
|
|
Packit |
577717 |
pd[i].reg_num = outp.pfp_pmds[i].reg_num;
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* Now program the registers
|
|
Packit |
577717 |
*
|
|
Packit |
577717 |
* We don't use the same variable to indicate the number of elements passed to
|
|
Packit |
577717 |
* the kernel because, as we said earlier, pc may contain more elements than
|
|
Packit |
577717 |
* the number of events (pmd) we specified, i.e., contains more than counting
|
|
Packit |
577717 |
* monitors.
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (pfm_write_pmcs(ctx_fd, pc, outp.pfp_pmc_count))
|
|
Packit |
577717 |
fatal_error("pfm_write_pmcs error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* To be read, each PMD must be either written or declared
|
|
Packit |
577717 |
* as being part of a sample (reg_smpl_pmds)
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (pfm_write_pmds(ctx_fd, pd, outp.pfp_pmd_count))
|
|
Packit |
577717 |
fatal_error("pfm)write_pmds error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* now we load (i.e., attach) the context to ourself
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
load_args.load_pid = getpid();
|
|
Packit |
577717 |
|
|
Packit |
577717 |
if (pfm_load_context(ctx_fd, &load_args))
|
|
Packit |
577717 |
fatal_error("pfm_load_context error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* retrieve set0 information
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (pfm_getinfo_evtsets(ctx_fd, &setinfo, 1))
|
|
Packit |
577717 |
fatal_error("pfm_getinfo_evtsets error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
printf("set_id=0 mmap_offset=%llu\n", (unsigned long long)setinfo.set_mmap_offset);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
view0 = (pfm_set_view_t *)mmap(NULL, getpagesize(), PROT_READ, MAP_PRIVATE, ctx_fd, setinfo.set_mmap_offset);
|
|
Packit |
577717 |
if (view0 == MAP_FAILED) {
|
|
Packit |
577717 |
fatal_error("cannot mmap set view errno %d\n", errno);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
printf("view=%p set_id=0 set_status=%u\n", view0, view0->set_status);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* Let's roll now
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
pfm_self_start(ctx_fd);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
noploop(10000000);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
pfm_self_stop(ctx_fd);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* unload context (stop + unload)
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (pfm_unload_context(ctx_fd))
|
|
Packit |
577717 |
fatal_error( "pfm_unload_context error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* now read the results
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
if (pfm_read_pmds(ctx_fd, pd, outp.pfp_pmd_count))
|
|
Packit |
577717 |
fatal_error( "pfm_read_pmds error errno %d\n",errno);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
printf("results using pfm_read_pmds:\n");
|
|
Packit |
577717 |
for (i=0; i < num_pmdv; i++) {
|
|
Packit |
577717 |
printf("%20"PRIu64" %s\n", pd[i].reg_value, pmdv[i].name);
|
|
Packit |
577717 |
}
|
|
Packit |
577717 |
|
|
Packit |
577717 |
show_view_self(0);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
/*
|
|
Packit |
577717 |
* and destroy our context
|
|
Packit |
577717 |
*/
|
|
Packit |
577717 |
munmap(view0, getpagesize());
|
|
Packit |
577717 |
close(ctx_fd);
|
|
Packit |
577717 |
|
|
Packit |
577717 |
return 0;
|
|
Packit |
577717 |
}
|