diff options
Diffstat (limited to 'tools/perf/arch/powerpc/util')
| -rw-r--r-- | tools/perf/arch/powerpc/util/Build | 22 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/dwarf-regs.c | 100 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/header.c | 36 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/kvm-stat.c | 2 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/mem-events.c | 16 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/mem-events.h | 7 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/perf_regs.c | 10 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/pmu.c | 12 | ||||
| -rw-r--r-- | tools/perf/arch/powerpc/util/skip-callchain-idx.c | 8 |
9 files changed, 84 insertions, 129 deletions
diff --git a/tools/perf/arch/powerpc/util/Build b/tools/perf/arch/powerpc/util/Build index 9889245c555c..ed82715080f9 100644 --- a/tools/perf/arch/powerpc/util/Build +++ b/tools/perf/arch/powerpc/util/Build @@ -1,13 +1,13 @@ -perf-y += header.o -perf-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o -perf-y += perf_regs.o -perf-y += mem-events.o -perf-y += sym-handling.o -perf-y += evsel.o -perf-y += event.o +perf-util-y += header.o +perf-util-$(CONFIG_LIBTRACEEVENT) += kvm-stat.o +perf-util-y += perf_regs.o +perf-util-y += mem-events.o +perf-util-y += pmu.o +perf-util-y += sym-handling.o +perf-util-y += evsel.o +perf-util-y += event.o -perf-$(CONFIG_DWARF) += dwarf-regs.o -perf-$(CONFIG_DWARF) += skip-callchain-idx.o +perf-util-$(CONFIG_LIBDW) += skip-callchain-idx.o -perf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o -perf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o +perf-util-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +perf-util-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o diff --git a/tools/perf/arch/powerpc/util/dwarf-regs.c b/tools/perf/arch/powerpc/util/dwarf-regs.c deleted file mode 100644 index 0c4f4caf53ac..000000000000 --- a/tools/perf/arch/powerpc/util/dwarf-regs.c +++ /dev/null @@ -1,100 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Mapping of DWARF debug register numbers into register names. - * - * Copyright (C) 2010 Ian Munsie, IBM Corporation. - */ - -#include <stddef.h> -#include <errno.h> -#include <string.h> -#include <dwarf-regs.h> -#include <linux/ptrace.h> -#include <linux/kernel.h> -#include <linux/stringify.h> - -struct pt_regs_dwarfnum { - const char *name; - unsigned int dwarfnum; - unsigned int ptregs_offset; -}; - -#define REG_DWARFNUM_NAME(r, num) \ - {.name = __stringify(%)__stringify(r), .dwarfnum = num, \ - .ptregs_offset = offsetof(struct pt_regs, r)} -#define GPR_DWARFNUM_NAME(num) \ - {.name = __stringify(%gpr##num), .dwarfnum = num, \ - .ptregs_offset = offsetof(struct pt_regs, gpr[num])} -#define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0, .ptregs_offset = 0} - -/* - * Reference: - * http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi-1.9.html - */ -static const struct pt_regs_dwarfnum regdwarfnum_table[] = { - GPR_DWARFNUM_NAME(0), - GPR_DWARFNUM_NAME(1), - GPR_DWARFNUM_NAME(2), - GPR_DWARFNUM_NAME(3), - GPR_DWARFNUM_NAME(4), - GPR_DWARFNUM_NAME(5), - GPR_DWARFNUM_NAME(6), - GPR_DWARFNUM_NAME(7), - GPR_DWARFNUM_NAME(8), - GPR_DWARFNUM_NAME(9), - GPR_DWARFNUM_NAME(10), - GPR_DWARFNUM_NAME(11), - GPR_DWARFNUM_NAME(12), - GPR_DWARFNUM_NAME(13), - GPR_DWARFNUM_NAME(14), - GPR_DWARFNUM_NAME(15), - GPR_DWARFNUM_NAME(16), - GPR_DWARFNUM_NAME(17), - GPR_DWARFNUM_NAME(18), - GPR_DWARFNUM_NAME(19), - GPR_DWARFNUM_NAME(20), - GPR_DWARFNUM_NAME(21), - GPR_DWARFNUM_NAME(22), - GPR_DWARFNUM_NAME(23), - GPR_DWARFNUM_NAME(24), - GPR_DWARFNUM_NAME(25), - GPR_DWARFNUM_NAME(26), - GPR_DWARFNUM_NAME(27), - GPR_DWARFNUM_NAME(28), - GPR_DWARFNUM_NAME(29), - GPR_DWARFNUM_NAME(30), - GPR_DWARFNUM_NAME(31), - REG_DWARFNUM_NAME(msr, 66), - REG_DWARFNUM_NAME(ctr, 109), - REG_DWARFNUM_NAME(link, 108), - REG_DWARFNUM_NAME(xer, 101), - REG_DWARFNUM_NAME(dar, 119), - REG_DWARFNUM_NAME(dsisr, 118), - REG_DWARFNUM_END, -}; - -/** - * get_arch_regstr() - lookup register name from it's DWARF register number - * @n: the DWARF register number - * - * get_arch_regstr() returns the name of the register in struct - * regdwarfnum_table from it's DWARF register number. If the register is not - * found in the table, this returns NULL; - */ -const char *get_arch_regstr(unsigned int n) -{ - const struct pt_regs_dwarfnum *roff; - for (roff = regdwarfnum_table; roff->name != NULL; roff++) - if (roff->dwarfnum == n) - return roff->name; - return NULL; -} - -int regs_query_register_offset(const char *name) -{ - const struct pt_regs_dwarfnum *roff; - for (roff = regdwarfnum_table; roff->name != NULL; roff++) - if (!strcmp(roff->name, name)) - return roff->ptregs_offset; - return -EINVAL; -} diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c index 6b00efd53638..c7df534dbf8f 100644 --- a/tools/perf/arch/powerpc/util/header.c +++ b/tools/perf/arch/powerpc/util/header.c @@ -10,9 +10,21 @@ #include "utils_header.h" #include "metricgroup.h" #include <api/fs/fs.h> +#include <sys/auxv.h> + +static bool is_compat_mode(void) +{ + u64 base_platform = getauxval(AT_BASE_PLATFORM); + u64 platform = getauxval(AT_PLATFORM); + + if (!strcmp((char *)platform, (char *)base_platform)) + return false; + + return true; +} int -get_cpuid(char *buffer, size_t sz) +get_cpuid(char *buffer, size_t sz, struct perf_cpu cpu __maybe_unused) { unsigned long pvr; int nb; @@ -30,11 +42,29 @@ get_cpuid(char *buffer, size_t sz) } char * -get_cpuid_str(struct perf_pmu *pmu __maybe_unused) +get_cpuid_str(struct perf_cpu cpu __maybe_unused) { char *bufp; + unsigned long pvr; + + /* + * IBM Power System supports compatible mode. That is + * Nth generation platform can support previous generation + * OS in a mode called compatibile mode. For ex. LPAR can be + * booted in a Power9 mode when the system is a Power10. + * + * In the compatible mode, care must be taken when generating + * PVR value. When read, PVR will be of the AT_BASE_PLATFORM + * To support generic events, return 0x00ffffff as pvr when + * booted in compat mode. Based on this pvr value, json will + * pick events from pmu-events/arch/powerpc/compat + */ + if (!is_compat_mode()) + pvr = mfspr(SPRN_PVR); + else + pvr = 0x00ffffff; - if (asprintf(&bufp, "0x%.8lx", mfspr(SPRN_PVR)) < 0) + if (asprintf(&bufp, "0x%.8lx", pvr) < 0) bufp = NULL; return bufp; diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c index d9a0ac1cdf30..c8357b571ccf 100644 --- a/tools/perf/arch/powerpc/util/kvm-stat.c +++ b/tools/perf/arch/powerpc/util/kvm-stat.c @@ -114,7 +114,7 @@ static int is_tracepoint_available(const char *str, struct evlist *evlist) parse_events_error__init(&err); ret = parse_events(evlist, str, &err); - if (err.str) + if (ret) parse_events_error__print(&err, "tracepoint"); parse_events_error__exit(&err); return ret; diff --git a/tools/perf/arch/powerpc/util/mem-events.c b/tools/perf/arch/powerpc/util/mem-events.c index 78b986e5268d..765d4a054b0a 100644 --- a/tools/perf/arch/powerpc/util/mem-events.c +++ b/tools/perf/arch/powerpc/util/mem-events.c @@ -1,12 +1,12 @@ // SPDX-License-Identifier: GPL-2.0 -#include "map_symbol.h" +#include "util/map_symbol.h" +#include "util/mem-events.h" #include "mem-events.h" -/* PowerPC does not support 'ldlat' parameter. */ -const char *perf_mem_events__name(int i, const char *pmu_name __maybe_unused) -{ - if (i == PERF_MEM_EVENTS__LOAD) - return "cpu/mem-loads/"; +#define E(t, n, s, l, a) { .tag = t, .name = n, .event_name = s, .ldlat = l, .aux_event = a } - return "cpu/mem-stores/"; -} +struct perf_mem_event perf_mem_events_power[PERF_MEM_EVENTS__MAX] = { + E("ldlat-loads", "%s/mem-loads/", "mem-loads", false, 0), + E("ldlat-stores", "%s/mem-stores/", "mem-stores", false, 0), + E(NULL, NULL, NULL, false, 0), +}; diff --git a/tools/perf/arch/powerpc/util/mem-events.h b/tools/perf/arch/powerpc/util/mem-events.h new file mode 100644 index 000000000000..6acc3d1b6873 --- /dev/null +++ b/tools/perf/arch/powerpc/util/mem-events.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _POWER_MEM_EVENTS_H +#define _POWER_MEM_EVENTS_H + +extern struct perf_mem_event perf_mem_events_power[PERF_MEM_EVENTS__MAX]; + +#endif /* _POWER_MEM_EVENTS_H */ diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c index b38aa056eea0..bd36cfd420a2 100644 --- a/tools/perf/arch/powerpc/util/perf_regs.c +++ b/tools/perf/arch/powerpc/util/perf_regs.c @@ -16,8 +16,9 @@ #define PVR_POWER9 0x004E #define PVR_POWER10 0x0080 +#define PVR_POWER11 0x0082 -const struct sample_reg sample_reg_masks[] = { +static const struct sample_reg sample_reg_masks[] = { SMPL_REG(r0, PERF_REG_POWERPC_R0), SMPL_REG(r1, PERF_REG_POWERPC_R1), SMPL_REG(r2, PERF_REG_POWERPC_R2), @@ -207,7 +208,7 @@ uint64_t arch__intr_reg_mask(void) version = (((mfspr(SPRN_PVR)) >> 16) & 0xFFFF); if (version == PVR_POWER9) extended_mask = PERF_REG_PMU_MASK_300; - else if (version == PVR_POWER10) + else if ((version == PVR_POWER10) || (version == PVR_POWER11)) extended_mask = PERF_REG_PMU_MASK_31; else return mask; @@ -232,3 +233,8 @@ uint64_t arch__user_reg_mask(void) { return PERF_REGS_MASK; } + +const struct sample_reg *arch__sample_reg_masks(void) +{ + return sample_reg_masks; +} diff --git a/tools/perf/arch/powerpc/util/pmu.c b/tools/perf/arch/powerpc/util/pmu.c new file mode 100644 index 000000000000..554675deef7b --- /dev/null +++ b/tools/perf/arch/powerpc/util/pmu.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <string.h> + +#include "../../../util/pmu.h" +#include "mem-events.h" + +void perf_pmu__arch_init(struct perf_pmu *pmu) +{ + if (pmu->is_core) + pmu->mem_events = perf_mem_events_power; +} diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c index 5f3edb3004d8..356786432fd3 100644 --- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c +++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c @@ -159,9 +159,9 @@ static int check_return_addr(struct dso *dso, u64 map_start, Dwarf_Addr pc) Dwarf_Addr start = pc; Dwarf_Addr end = pc; bool signalp; - const char *exec_file = dso->long_name; + const char *exec_file = dso__long_name(dso); - dwfl = dso->dwfl; + dwfl = RC_CHK_ACCESS(dso)->dwfl; if (!dwfl) { dwfl = dwfl_begin(&offline_callbacks); @@ -183,7 +183,7 @@ static int check_return_addr(struct dso *dso, u64 map_start, Dwarf_Addr pc) dwfl_end(dwfl); goto out; } - dso->dwfl = dwfl; + RC_CHK_ACCESS(dso)->dwfl = dwfl; } mod = dwfl_addrmodule(dwfl, pc); @@ -267,7 +267,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain) rc = check_return_addr(dso, map__start(al.map), ip); pr_debug("[DSO %s, sym %s, ip 0x%" PRIx64 "] rc %d\n", - dso->long_name, al.sym->name, ip, rc); + dso__long_name(dso), al.sym->name, ip, rc); if (rc == 0) { /* |