47f572aad5
Make lookup nature of data structures clearer through their type. Reduce scope of architecture specific pmu_event tables by making them static. Suggested-by: John Garry <john.garry@huawei.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Andi Kleen <ak@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Antonov <alexander.antonov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andrew Kilroy <andrew.kilroy@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Changbin Du <changbin.du@intel.com> Cc: Denys Zagorui <dzagorui@cisco.com> Cc: Fabian Hemmer <copy@copy.sh> Cc: Felix Fietkau <nbd@nbd.name> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jacob Keller <jacob.e.keller@intel.com> Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Joakim Zhang <qiangqing.zhang@nxp.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Kees Kook <keescook@chromium.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Nicholas Fraser <nfraser@codeweavers.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Sami Tolvanen <samitolvanen@google.com> Cc: ShihCheng Tu <mrtoastcheng@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Wan Jiabing <wanjiabing@vivo.com> Cc: Zhen Lei <thunder.leizhen@huawei.com> Link: https://lore.kernel.org/r/20211015172132.1162559-5-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
50 lines
1,019 B
C
50 lines
1,019 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <sys/types.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/stringify.h>
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#include "header.h"
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#include "utils_header.h"
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#include "metricgroup.h"
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#include <api/fs/fs.h>
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int
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get_cpuid(char *buffer, size_t sz)
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{
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unsigned long pvr;
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int nb;
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pvr = mfspr(SPRN_PVR);
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nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
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/* look for end marker to ensure the entire data fit */
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if (strchr(buffer, '$')) {
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buffer[nb-1] = '\0';
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return 0;
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}
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return ENOBUFS;
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}
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char *
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get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
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{
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char *bufp;
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if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
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bufp = NULL;
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return bufp;
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}
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int arch_get_runtimeparam(const struct pmu_event *pe)
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{
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int count;
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char path[PATH_MAX] = "/devices/hv_24x7/interface/";
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atoi(pe->aggr_mode) == PerChip ? strcat(path, "sockets") : strcat(path, "coresperchip");
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return sysfs__read_int(path, &count) < 0 ? 1 : count;
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}
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