[linux-2.6-block.git] / tools / perf / arch / powerpc / util / header.c

// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
#include "utils_header.h"
#include "metricgroup.h"
#include <api/fs/fs.h>

int
get_cpuid(char *buffer, size_t sz)
{
	unsigned long pvr;
	int nb;

	pvr = mfspr(SPRN_PVR);

	nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));

	/* look for end marker to ensure the entire data fit */
	if (strchr(buffer, '$')) {
		buffer[nb-1] = '\0';
		return 0;
	}
	return ENOBUFS;
}

char *
get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
{
	char *bufp;

	if (asprintf(&bufp, "0x%.8lx", mfspr(SPRN_PVR)) < 0)
		bufp = NULL;

	return bufp;
}

int arch_get_runtimeparam(const struct pmu_metric *pm)
{
	int count;
	char path[PATH_MAX] = "/devices/hv_24x7/interface/";

	strcat(path, pm->aggr_mode == PerChip ? "sockets" : "coresperchip");
	return sysfs__read_int(path, &count) < 0 ? 1 : count;
}
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0
	2	#include <sys/types.h>
	3	#include <errno.h>
	4	#include <unistd.h>
	5	#include <stdio.h>
	6	#include <stdlib.h>
	7	#include <string.h>
	8	#include <linux/stringify.h>
	9	#include "header.h"
	10	#include "utils_header.h"
	11	#include "metricgroup.h"
	12	#include <api/fs/fs.h>
	13
	14	int
	15	get_cpuid(char *buffer, size_t sz)
	16	{
	17	unsigned long pvr;
	18	int nb;
	19
	20	pvr = mfspr(SPRN_PVR);
	21
	22	nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
	23
	24	/* look for end marker to ensure the entire data fit */
	25	if (strchr(buffer, '$')) {
	26	buffer[nb-1] = '\0';
	27	return 0;
	28	}
	29	return ENOBUFS;
	30	}
	31
	32	char *
	33	get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
	34	{
	35	char *bufp;
	36
	37	if (asprintf(&bufp, "0x%.8lx", mfspr(SPRN_PVR)) < 0)
	38	bufp = NULL;
	39
	40	return bufp;
	41	}
	42
	43	int arch_get_runtimeparam(const struct pmu_metric *pm)
	44	{
	45	int count;
	46	char path[PATH_MAX] = "/devices/hv_24x7/interface/";
	47
	48	strcat(path, pm->aggr_mode == PerChip ? "sockets" : "coresperchip");
	49	return sysfs__read_int(path, &count) < 0 ? 1 : count;
	50	}