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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/arch/powerpc/util/header.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/arch/powerpc/util/header.c')
-rw-r--r--tools/perf/arch/powerpc/util/header.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
new file mode 100644
index 000000000..e8fe36b10
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -0,0 +1,50 @@
+// 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, "%.8lx", mfspr(SPRN_PVR)) < 0)
+ bufp = NULL;
+
+ return bufp;
+}
+
+int arch_get_runtimeparam(const struct pmu_event *pe)
+{
+ int count;
+ char path[PATH_MAX] = "/devices/hv_24x7/interface/";
+
+ atoi(pe->aggr_mode) == PerChip ? strcat(path, "sockets") : strcat(path, "coresperchip");
+ return sysfs__read_int(path, &count) < 0 ? 1 : count;
+}