diff options
Diffstat (limited to 'tools/perf/arch')
66 files changed, 316 insertions, 34 deletions
diff --git a/tools/perf/arch/arm/annotate/instructions.c b/tools/perf/arch/arm/annotate/instructions.c index 1ce0872b1726..b39b16395aac 100644 --- a/tools/perf/arch/arm/annotate/instructions.c +++ b/tools/perf/arch/arm/annotate/instructions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <regex.h> diff --git a/tools/perf/arch/arm/include/dwarf-regs-table.h b/tools/perf/arch/arm/include/dwarf-regs-table.h index f298d034c37b..5a45046fab72 100644 --- a/tools/perf/arch/arm/include/dwarf-regs-table.h +++ b/tools/perf/arch/arm/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/arm/include/perf_regs.h b/tools/perf/arch/arm/include/perf_regs.h index f619c9c5a4bf..ed20e0253e25 100644 --- a/tools/perf/arch/arm/include/perf_regs.h +++ b/tools/perf/arch/arm/include/perf_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_REGS_H #define ARCH_PERF_REGS_H diff --git a/tools/perf/arch/arm/tests/dwarf-unwind.c b/tools/perf/arch/arm/tests/dwarf-unwind.c index 62eff847f91c..8cb347760233 100644 --- a/tools/perf/arch/arm/tests/dwarf-unwind.c +++ b/tools/perf/arch/arm/tests/dwarf-unwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "perf_regs.h" #include "thread.h" diff --git a/tools/perf/arch/arm/tests/regs_load.S b/tools/perf/arch/arm/tests/regs_load.S index e09e983946fe..6e2495cc4517 100644 --- a/tools/perf/arch/arm/tests/regs_load.S +++ b/tools/perf/arch/arm/tests/regs_load.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #define R0 0x00 diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c index 29361d9b635a..fbfc055d3f4d 100644 --- a/tools/perf/arch/arm/util/cs-etm.c +++ b/tools/perf/arch/arm/util/cs-etm.c @@ -17,6 +17,7 @@ #include <api/fs/fs.h> #include <linux/bitops.h> +#include <linux/compiler.h> #include <linux/coresight-pmu.h> #include <linux/kernel.h> #include <linux/log2.h> @@ -202,19 +203,18 @@ static int cs_etm_recording_options(struct auxtrace_record *itr, pr_debug2("%s snapshot size: %zu\n", CORESIGHT_ETM_PMU_NAME, opts->auxtrace_snapshot_size); - if (cs_etm_evsel) { - /* - * To obtain the auxtrace buffer file descriptor, the auxtrace - * event must come first. - */ - perf_evlist__to_front(evlist, cs_etm_evsel); - /* - * In the case of per-cpu mmaps, we need the CPU on the - * AUX event. - */ - if (!cpu_map__empty(cpus)) - perf_evsel__set_sample_bit(cs_etm_evsel, CPU); - } + /* + * To obtain the auxtrace buffer file descriptor, the auxtrace + * event must come first. + */ + perf_evlist__to_front(evlist, cs_etm_evsel); + + /* + * In the case of per-cpu mmaps, we need the CPU on the + * AUX event. + */ + if (!cpu_map__empty(cpus)) + perf_evsel__set_sample_bit(cs_etm_evsel, CPU); /* Add dummy event to keep tracking */ if (opts->full_auxtrace) { @@ -266,6 +266,32 @@ static u64 cs_etm_get_config(struct auxtrace_record *itr) return config; } +#ifndef BIT +#define BIT(N) (1UL << (N)) +#endif + +static u64 cs_etmv4_get_config(struct auxtrace_record *itr) +{ + u64 config = 0; + u64 config_opts = 0; + + /* + * The perf event variable config bits represent both + * the command line options and register programming + * bits in ETMv3/PTM. For ETMv4 we must remap options + * to real bits + */ + config_opts = cs_etm_get_config(itr); + if (config_opts & BIT(ETM_OPT_CYCACC)) + config |= BIT(ETM4_CFG_BIT_CYCACC); + if (config_opts & BIT(ETM_OPT_TS)) + config |= BIT(ETM4_CFG_BIT_TS); + if (config_opts & BIT(ETM_OPT_RETSTK)) + config |= BIT(ETM4_CFG_BIT_RETSTK); + + return config; +} + static size_t cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused, struct perf_evlist *evlist __maybe_unused) @@ -363,7 +389,7 @@ static void cs_etm_get_metadata(int cpu, u32 *offset, magic = __perf_cs_etmv4_magic; /* Get trace configuration register */ info->priv[*offset + CS_ETMV4_TRCCONFIGR] = - cs_etm_get_config(itr); + cs_etmv4_get_config(itr); /* Get traceID from the framework */ info->priv[*offset + CS_ETMV4_TRCTRACEIDR] = coresight_get_trace_id(cpu); @@ -583,8 +609,7 @@ static FILE *cs_device__open_file(const char *name) } -static __attribute__((format(printf, 2, 3))) -int cs_device__print_file(const char *name, const char *fmt, ...) +static int __printf(2, 3) cs_device__print_file(const char *name, const char *fmt, ...) { va_list args; FILE *file; diff --git a/tools/perf/arch/arm/util/unwind-libdw.c b/tools/perf/arch/arm/util/unwind-libdw.c index bacfa00fca39..36ba4c69c3c5 100644 --- a/tools/perf/arch/arm/util/unwind-libdw.c +++ b/tools/perf/arch/arm/util/unwind-libdw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <elfutils/libdwfl.h> #include "../../util/unwind-libdw.h" #include "../../util/perf_regs.h" diff --git a/tools/perf/arch/arm/util/unwind-libunwind.c b/tools/perf/arch/arm/util/unwind-libunwind.c index 62c397ed3d97..3a550225dfaf 100644 --- a/tools/perf/arch/arm/util/unwind-libunwind.c +++ b/tools/perf/arch/arm/util/unwind-libunwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <libunwind.h> diff --git a/tools/perf/arch/arm64/Makefile b/tools/perf/arch/arm64/Makefile index eebe1ec9d2ee..91de4860faad 100644 --- a/tools/perf/arch/arm64/Makefile +++ b/tools/perf/arch/arm64/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif diff --git a/tools/perf/arch/arm64/annotate/instructions.c b/tools/perf/arch/arm64/annotate/instructions.c index 8f1908756cb6..9a3e0523e2c9 100644 --- a/tools/perf/arch/arm64/annotate/instructions.c +++ b/tools/perf/arch/arm64/annotate/instructions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <regex.h> diff --git a/tools/perf/arch/arm64/include/dwarf-regs-table.h b/tools/perf/arch/arm64/include/dwarf-regs-table.h index 36e375f5a211..177b2855f797 100644 --- a/tools/perf/arch/arm64/include/dwarf-regs-table.h +++ b/tools/perf/arch/arm64/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/arm64/include/perf_regs.h b/tools/perf/arch/arm64/include/perf_regs.h index 4e5af27e3fbf..baaa5e64a3fb 100644 --- a/tools/perf/arch/arm64/include/perf_regs.h +++ b/tools/perf/arch/arm64/include/perf_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_REGS_H #define ARCH_PERF_REGS_H diff --git a/tools/perf/arch/arm64/tests/dwarf-unwind.c b/tools/perf/arch/arm64/tests/dwarf-unwind.c index cf04a4c91c59..e907f0f4c20c 100644 --- a/tools/perf/arch/arm64/tests/dwarf-unwind.c +++ b/tools/perf/arch/arm64/tests/dwarf-unwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "perf_regs.h" #include "thread.h" diff --git a/tools/perf/arch/arm64/tests/regs_load.S b/tools/perf/arch/arm64/tests/regs_load.S index 025b46e579a6..07042511dca9 100644 --- a/tools/perf/arch/arm64/tests/regs_load.S +++ b/tools/perf/arch/arm64/tests/regs_load.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> .text diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c index b415dfdbccca..002520d4036b 100644 --- a/tools/perf/arch/arm64/util/unwind-libunwind.c +++ b/tools/perf/arch/arm64/util/unwind-libunwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #ifndef REMOTE_UNWIND_LIBUNWIND diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c index 6b40e9f01740..8c0cfeb55f8e 100644 --- a/tools/perf/arch/common.c +++ b/tools/perf/arch/common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include <sys/utsname.h> #include "common.h" diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h index 6b01c736b7d9..a1546509ad24 100644 --- a/tools/perf/arch/common.h +++ b/tools/perf/arch/common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_COMMON_H #define ARCH_PERF_COMMON_H diff --git a/tools/perf/arch/powerpc/Makefile b/tools/perf/arch/powerpc/Makefile index cc3930904d68..42dab7c8f508 100644 --- a/tools/perf/arch/powerpc/Makefile +++ b/tools/perf/arch/powerpc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif diff --git a/tools/perf/arch/powerpc/annotate/instructions.c b/tools/perf/arch/powerpc/annotate/instructions.c index 3c4004db81b9..b7bc04980fe8 100644 --- a/tools/perf/arch/powerpc/annotate/instructions.c +++ b/tools/perf/arch/powerpc/annotate/instructions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 static struct ins_ops *powerpc__associate_instruction_ops(struct arch *arch, const char *name) { int i; diff --git a/tools/perf/arch/powerpc/include/arch-tests.h b/tools/perf/arch/powerpc/include/arch-tests.h index 84d8dedef2ed..1c7be75cbc78 100644 --- a/tools/perf/arch/powerpc/include/arch-tests.h +++ b/tools/perf/arch/powerpc/include/arch-tests.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_TESTS_H #define ARCH_TESTS_H diff --git a/tools/perf/arch/powerpc/include/dwarf-regs-table.h b/tools/perf/arch/powerpc/include/dwarf-regs-table.h index db4730f5585c..66dc015a733d 100644 --- a/tools/perf/arch/powerpc/include/dwarf-regs-table.h +++ b/tools/perf/arch/powerpc/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h index c12f4e804f66..00e37b106913 100644 --- a/tools/perf/arch/powerpc/include/perf_regs.h +++ b/tools/perf/arch/powerpc/include/perf_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_REGS_H #define ARCH_PERF_REGS_H diff --git a/tools/perf/arch/powerpc/tests/arch-tests.c b/tools/perf/arch/powerpc/tests/arch-tests.c index e24f46241f40..8c3fbd4af817 100644 --- a/tools/perf/arch/powerpc/tests/arch-tests.c +++ b/tools/perf/arch/powerpc/tests/arch-tests.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "tests/tests.h" #include "arch-tests.h" diff --git a/tools/perf/arch/powerpc/tests/dwarf-unwind.c b/tools/perf/arch/powerpc/tests/dwarf-unwind.c index 0bac3137ccbd..30cbbd6d5be0 100644 --- a/tools/perf/arch/powerpc/tests/dwarf-unwind.c +++ b/tools/perf/arch/powerpc/tests/dwarf-unwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "perf_regs.h" #include "thread.h" diff --git a/tools/perf/arch/powerpc/tests/regs_load.S b/tools/perf/arch/powerpc/tests/regs_load.S index d76c9a32f327..36a20b0033f9 100644 --- a/tools/perf/arch/powerpc/tests/regs_load.S +++ b/tools/perf/arch/powerpc/tests/regs_load.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> /* Offset is based on macros from arch/powerpc/include/uapi/asm/ptrace.h. */ diff --git a/tools/perf/arch/powerpc/util/Build b/tools/perf/arch/powerpc/util/Build index 90ad64b231cd..2e6595310420 100644 --- a/tools/perf/arch/powerpc/util/Build +++ b/tools/perf/arch/powerpc/util/Build @@ -5,4 +5,6 @@ libperf-y += perf_regs.o libperf-$(CONFIG_DWARF) += dwarf-regs.o libperf-$(CONFIG_DWARF) += skip-callchain-idx.o + libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o diff --git a/tools/perf/arch/powerpc/util/book3s_hcalls.h b/tools/perf/arch/powerpc/util/book3s_hcalls.h index 0dd6b7f2d44f..54cfa0530e86 100644 --- a/tools/perf/arch/powerpc/util/book3s_hcalls.h +++ b/tools/perf/arch/powerpc/util/book3s_hcalls.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_BOOK3S_HV_HCALLS_H #define ARCH_PERF_BOOK3S_HV_HCALLS_H diff --git a/tools/perf/arch/powerpc/util/book3s_hv_exits.h b/tools/perf/arch/powerpc/util/book3s_hv_exits.h index e68ba2da8970..853b95d1e139 100644 --- a/tools/perf/arch/powerpc/util/book3s_hv_exits.h +++ b/tools/perf/arch/powerpc/util/book3s_hv_exits.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_BOOK3S_HV_EXITS_H #define ARCH_PERF_BOOK3S_HV_EXITS_H diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c index 9aaa6f5a9347..7a4cf80c207a 100644 --- a/tools/perf/arch/powerpc/util/header.c +++ b/tools/perf/arch/powerpc/util/header.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <unistd.h> #include <stdio.h> diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c index 249723f0e6a9..596ad6aedaac 100644 --- a/tools/perf/arch/powerpc/util/kvm-stat.c +++ b/tools/perf/arch/powerpc/util/kvm-stat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include "util/kvm-stat.h" #include "util/parse-events.h" diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c index f860dc411f69..ec50939b0418 100644 --- a/tools/perf/arch/powerpc/util/perf_regs.c +++ b/tools/perf/arch/powerpc/util/perf_regs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <string.h> #include <regex.h> diff --git a/tools/perf/arch/powerpc/util/sym-handling.c b/tools/perf/arch/powerpc/util/sym-handling.c index bf9a2594572c..9c4e23d8c8ce 100644 --- a/tools/perf/arch/powerpc/util/sym-handling.c +++ b/tools/perf/arch/powerpc/util/sym-handling.c @@ -126,7 +126,7 @@ void arch__post_process_probe_trace_events(struct perf_probe_event *pev, struct rb_node *tmp; int i = 0; - map = get_target_map(pev->target, pev->uprobes); + map = get_target_map(pev->target, pev->nsi, pev->uprobes); if (!map || map__load(map) < 0) return; diff --git a/tools/perf/arch/powerpc/util/unwind-libdw.c b/tools/perf/arch/powerpc/util/unwind-libdw.c new file mode 100644 index 000000000000..7a1f05ef2fc0 --- /dev/null +++ b/tools/perf/arch/powerpc/util/unwind-libdw.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <elfutils/libdwfl.h> +#include "../../util/unwind-libdw.h" +#include "../../util/perf_regs.h" +#include "../../util/event.h" + +/* See backends/ppc_initreg.c and backends/ppc_regs.c in elfutils. */ +static const int special_regs[3][2] = { + { 65, PERF_REG_POWERPC_LINK }, + { 101, PERF_REG_POWERPC_XER }, + { 109, PERF_REG_POWERPC_CTR }, +}; + +bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg) +{ + struct unwind_info *ui = arg; + struct regs_dump *user_regs = &ui->sample->user_regs; + Dwarf_Word dwarf_regs[32], dwarf_nip; + size_t i; + +#define REG(r) ({ \ + Dwarf_Word val = 0; \ + perf_reg_value(&val, user_regs, PERF_REG_POWERPC_##r); \ + val; \ +}) + + dwarf_regs[0] = REG(R0); + dwarf_regs[1] = REG(R1); + dwarf_regs[2] = REG(R2); + dwarf_regs[3] = REG(R3); + dwarf_regs[4] = REG(R4); + dwarf_regs[5] = REG(R5); + dwarf_regs[6] = REG(R6); + dwarf_regs[7] = REG(R7); + dwarf_regs[8] = REG(R8); + dwarf_regs[9] = REG(R9); + dwarf_regs[10] = REG(R10); + dwarf_regs[11] = REG(R11); + dwarf_regs[12] = REG(R12); + dwarf_regs[13] = REG(R13); + dwarf_regs[14] = REG(R14); + dwarf_regs[15] = REG(R15); + dwarf_regs[16] = REG(R16); + dwarf_regs[17] = REG(R17); + dwarf_regs[18] = REG(R18); + dwarf_regs[19] = REG(R19); + dwarf_regs[20] = REG(R20); + dwarf_regs[21] = REG(R21); + dwarf_regs[22] = REG(R22); + dwarf_regs[23] = REG(R23); + dwarf_regs[24] = REG(R24); + dwarf_regs[25] = REG(R25); + dwarf_regs[26] = REG(R26); + dwarf_regs[27] = REG(R27); + dwarf_regs[28] = REG(R28); + dwarf_regs[29] = REG(R29); + dwarf_regs[30] = REG(R30); + dwarf_regs[31] = REG(R31); + if (!dwfl_thread_state_registers(thread, 0, 32, dwarf_regs)) + return false; + + dwarf_nip = REG(NIP); + dwfl_thread_state_register_pc(thread, dwarf_nip); + for (i = 0; i < ARRAY_SIZE(special_regs); i++) { + Dwarf_Word val = 0; + perf_reg_value(&val, user_regs, special_regs[i][1]); + if (!dwfl_thread_state_registers(thread, + special_regs[i][0], 1, + &val)) + return false; + } + + return true; +} diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c index 745b4b1b8b21..c9a81673e8aa 100644 --- a/tools/perf/arch/s390/annotate/instructions.c +++ b/tools/perf/arch/s390/annotate/instructions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *name) { struct ins_ops *ops = NULL; diff --git a/tools/perf/arch/s390/include/dwarf-regs-table.h b/tools/perf/arch/s390/include/dwarf-regs-table.h index 9da74a933bd6..792d4c277225 100644 --- a/tools/perf/arch/s390/include/dwarf-regs-table.h +++ b/tools/perf/arch/s390/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/s390/util/dwarf-regs.c b/tools/perf/arch/s390/util/dwarf-regs.c index 0469df02ee62..0dff5b2ed1e5 100644 --- a/tools/perf/arch/s390/util/dwarf-regs.c +++ b/tools/perf/arch/s390/util/dwarf-regs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Mapping of DWARF debug register numbers into register names. * diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c index b9a95a1a8e69..0b2054007314 100644 --- a/tools/perf/arch/s390/util/machine.c +++ b/tools/perf/arch/s390/util/machine.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <unistd.h> #include <stdio.h> #include <string.h> diff --git a/tools/perf/arch/sh/include/dwarf-regs-table.h b/tools/perf/arch/sh/include/dwarf-regs-table.h index 3a2deaf3dab4..900e69619970 100644 --- a/tools/perf/arch/sh/include/dwarf-regs-table.h +++ b/tools/perf/arch/sh/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/sparc/include/dwarf-regs-table.h b/tools/perf/arch/sparc/include/dwarf-regs-table.h index 12c07619002c..35ede84a6b0d 100644 --- a/tools/perf/arch/sparc/include/dwarf-regs-table.h +++ b/tools/perf/arch/sparc/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile index 6c9211b18ec0..d74eaa7aa927 100644 --- a/tools/perf/arch/x86/Makefile +++ b/tools/perf/arch/x86/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifndef NO_DWARF PERF_HAVE_DWARF_REGS := 1 endif @@ -20,7 +21,7 @@ _dummy := $(shell [ -d '$(out)' ] || mkdir -p '$(out)') $(header): $(sys)/syscall_64.tbl $(systbl) @(test -d ../../kernel -a -d ../../tools -a -d ../perf && ( \ (diff -B arch/x86/entry/syscalls/syscall_64.tbl ../../arch/x86/entry/syscalls/syscall_64.tbl >/dev/null) \ - || echo "Warning: x86_64's syscall_64.tbl differs from kernel" >&2 )) || true + || echo "Warning: Kernel ABI header at 'tools/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'" >&2 )) || true $(Q)$(SHELL) '$(systbl)' $(sys)/syscall_64.tbl 'x86_64' > $@ clean:: diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c index c1625f256df3..4adfb4ce2864 100644 --- a/tools/perf/arch/x86/annotate/instructions.c +++ b/tools/perf/arch/x86/annotate/instructions.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 static struct ins x86__instructions[] = { { .name = "add", .ops = &mov_ops, }, { .name = "addl", .ops = &mov_ops, }, @@ -76,3 +77,49 @@ static struct ins x86__instructions[] = { { .name = "xbeginq", .ops = &jump_ops, }, { .name = "retq", .ops = &ret_ops, }, }; + +static bool x86__ins_is_fused(struct arch *arch, const char *ins1, + const char *ins2) +{ + if (arch->family != 6 || arch->model < 0x1e || strstr(ins2, "jmp")) + return false; + + if (arch->model == 0x1e) { + /* Nehalem */ + if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) || + strstr(ins1, "test")) { + return true; + } + } else { + /* Newer platform */ + if ((strstr(ins1, "cmp") && !strstr(ins1, "xchg")) || + strstr(ins1, "test") || + strstr(ins1, "add") || + strstr(ins1, "sub") || + strstr(ins1, "and") || + strstr(ins1, "inc") || + strstr(ins1, "dec")) { + return true; + } + } + + return false; +} + +static int x86__cpuid_parse(struct arch *arch, char *cpuid) +{ + unsigned int family, model, stepping; + int ret; + + /* + * cpuid = "GenuineIntel,family,model,stepping" + */ + ret = sscanf(cpuid, "%*[^,],%u,%u,%u", &family, &model, &stepping); + if (ret == 3) { + arch->family = family; + arch->model = model; + return 0; + } + + return -1; +} diff --git a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh index 49a18b9ad9cf..029a72c20b19 100755 --- a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh +++ b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh @@ -1,4 +1,5 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0 in="$1" arch="$2" diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h index b48de2f5813c..9834fdc7c59e 100644 --- a/tools/perf/arch/x86/include/arch-tests.h +++ b/tools/perf/arch/x86/include/arch-tests.h @@ -1,11 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_TESTS_H #define ARCH_TESTS_H +#include <linux/compiler.h> +struct test; + /* Tests */ -int test__rdpmc(int subtest); -int test__perf_time_to_tsc(int subtest); -int test__insn_x86(int subtest); -int test__intel_cqm_count_nmi_context(int subtest); +int test__rdpmc(struct test *test __maybe_unused, int subtest); +int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest); +int test__insn_x86(struct test *test __maybe_unused, int subtest); +int test__intel_cqm_count_nmi_context(struct test *test __maybe_unused, int subtest); #ifdef HAVE_DWARF_UNWIND_SUPPORT struct thread; diff --git a/tools/perf/arch/x86/include/dwarf-regs-table.h b/tools/perf/arch/x86/include/dwarf-regs-table.h index 9b5e5cbb4209..b9bd5dc9d4c0 100644 --- a/tools/perf/arch/x86/include/dwarf-regs-table.h +++ b/tools/perf/arch/x86/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h index 7df517acfef8..7f6d538f8a89 100644 --- a/tools/perf/arch/x86/include/perf_regs.h +++ b/tools/perf/arch/x86/include/perf_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ARCH_PERF_REGS_H #define ARCH_PERF_REGS_H diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/tests/arch-tests.c index 99d66191e56c..34a078136a47 100644 --- a/tools/perf/arch/x86/tests/arch-tests.c +++ b/tools/perf/arch/x86/tests/arch-tests.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "tests/tests.h" #include "arch-tests.h" diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c index 7f209ce827bf..95036c7a59e8 100644 --- a/tools/perf/arch/x86/tests/dwarf-unwind.c +++ b/tools/perf/arch/x86/tests/dwarf-unwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include "perf_regs.h" #include "thread.h" diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-32.c b/tools/perf/arch/x86/tests/insn-x86-dat-32.c index 0f196eec9f48..fab3c6de73fa 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-32.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-32.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk * from insn-x86-dat-src.c for inclusion by insn-x86.c @@ -1664,3 +1665,15 @@ "0f c7 1d 78 56 34 12 \txrstors 0x12345678",}, {{0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", "0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%eax,%ecx,8)",}, +{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "", +"f3 0f ae 20 \tptwritel (%eax)",}, +{{0xf3, 0x0f, 0xae, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"f3 0f ae 25 78 56 34 12 \tptwritel 0x12345678",}, +{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%eax,%ecx,8)",}, +{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "", +"f3 0f ae 20 \tptwritel (%eax)",}, +{{0xf3, 0x0f, 0xae, 0x25, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"f3 0f ae 25 78 56 34 12 \tptwritel 0x12345678",}, +{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%eax,%ecx,8)",}, diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-64.c b/tools/perf/arch/x86/tests/insn-x86-dat-64.c index af25bc8240d0..c57f34603b9b 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generated by gen-insn-x86-dat.sh and gen-insn-x86-dat.awk * from insn-x86-dat-src.c for inclusion by insn-x86.c @@ -1696,3 +1697,33 @@ "0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%rax,%rcx,8)",}, {{0x41, 0x0f, 0xc7, 0x9c, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", "41 0f c7 9c c8 78 56 34 12 \txrstors 0x12345678(%r8,%rcx,8)",}, +{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "", +"f3 0f ae 20 \tptwritel (%rax)",}, +{{0xf3, 0x41, 0x0f, 0xae, 0x20, }, 5, 0, "", "", +"f3 41 0f ae 20 \tptwritel (%r8)",}, +{{0xf3, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae 24 25 78 56 34 12 \tptwritel 0x12345678",}, +{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%rax,%rcx,8)",}, +{{0xf3, 0x41, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "", +"f3 41 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%r8,%rcx,8)",}, +{{0xf3, 0x0f, 0xae, 0x20, }, 4, 0, "", "", +"f3 0f ae 20 \tptwritel (%rax)",}, +{{0xf3, 0x41, 0x0f, 0xae, 0x20, }, 5, 0, "", "", +"f3 41 0f ae 20 \tptwritel (%r8)",}, +{{0xf3, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae 24 25 78 56 34 12 \tptwritel 0x12345678",}, +{{0xf3, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 9, 0, "", "", +"f3 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%rax,%rcx,8)",}, +{{0xf3, 0x41, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "", +"f3 41 0f ae a4 c8 78 56 34 12 \tptwritel 0x12345678(%r8,%rcx,8)",}, +{{0xf3, 0x48, 0x0f, 0xae, 0x20, }, 5, 0, "", "", +"f3 48 0f ae 20 \tptwriteq (%rax)",}, +{{0xf3, 0x49, 0x0f, 0xae, 0x20, }, 5, 0, "", "", +"f3 49 0f ae 20 \tptwriteq (%r8)",}, +{{0xf3, 0x48, 0x0f, 0xae, 0x24, 0x25, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "", +"f3 48 0f ae 24 25 78 56 34 12 \tptwriteq 0x12345678",}, +{{0xf3, 0x48, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "", +"f3 48 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%rax,%rcx,8)",}, +{{0xf3, 0x49, 0x0f, 0xae, 0xa4, 0xc8, 0x78, 0x56, 0x34, 0x12, }, 10, 0, "", "", +"f3 49 0f ae a4 c8 78 56 34 12 \tptwriteq 0x12345678(%r8,%rcx,8)",}, diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-src.c b/tools/perf/arch/x86/tests/insn-x86-dat-src.c index 979487dae8d4..891415b10984 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains instructions for testing by the test titled: * @@ -1343,6 +1344,26 @@ int main(void) asm volatile("xrstors 0x12345678(%rax,%rcx,8)"); asm volatile("xrstors 0x12345678(%r8,%rcx,8)"); + /* ptwrite */ + + asm volatile("ptwrite (%rax)"); + asm volatile("ptwrite (%r8)"); + asm volatile("ptwrite (0x12345678)"); + asm volatile("ptwrite 0x12345678(%rax,%rcx,8)"); + asm volatile("ptwrite 0x12345678(%r8,%rcx,8)"); + + asm volatile("ptwritel (%rax)"); + asm volatile("ptwritel (%r8)"); + asm volatile("ptwritel (0x12345678)"); + asm volatile("ptwritel 0x12345678(%rax,%rcx,8)"); + asm volatile("ptwritel 0x12345678(%r8,%rcx,8)"); + + asm volatile("ptwriteq (%rax)"); + asm volatile("ptwriteq (%r8)"); + asm volatile("ptwriteq (0x12345678)"); + asm volatile("ptwriteq 0x12345678(%rax,%rcx,8)"); + asm volatile("ptwriteq 0x12345678(%r8,%rcx,8)"); + #else /* #ifdef __x86_64__ */ /* bound r32, mem (same op code as EVEX prefix) */ @@ -2653,6 +2674,16 @@ int main(void) asm volatile("xrstors (0x12345678)"); asm volatile("xrstors 0x12345678(%eax,%ecx,8)"); + /* ptwrite */ + + asm volatile("ptwrite (%eax)"); + asm volatile("ptwrite (0x12345678)"); + asm volatile("ptwrite 0x12345678(%eax,%ecx,8)"); + + asm volatile("ptwritel (%eax)"); + asm volatile("ptwritel (0x12345678)"); + asm volatile("ptwritel 0x12345678(%eax,%ecx,8)"); + #endif /* #ifndef __x86_64__ */ /* Following line is a marker for the awk script - do not change */ diff --git a/tools/perf/arch/x86/tests/insn-x86.c b/tools/perf/arch/x86/tests/insn-x86.c index 08d9b2bc185c..a5d24ae5810d 100644 --- a/tools/perf/arch/x86/tests/insn-x86.c +++ b/tools/perf/arch/x86/tests/insn-x86.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include "debug.h" @@ -171,7 +172,7 @@ static int test_data_set(struct test_data *dat_set, int x86_64) * verbose (-v) option to see all the instructions and whether or not they * decoded successfuly. */ -int test__insn_x86(int subtest __maybe_unused) +int test__insn_x86(struct test *test __maybe_unused, int subtest __maybe_unused) { int ret = 0; diff --git a/tools/perf/arch/x86/tests/intel-cqm.c b/tools/perf/arch/x86/tests/intel-cqm.c index f9713a71d77e..90a4a8c58a62 100644 --- a/tools/perf/arch/x86/tests/intel-cqm.c +++ b/tools/perf/arch/x86/tests/intel-cqm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "tests/tests.h" #include "perf.h" #include "cloexec.h" @@ -36,7 +37,7 @@ static pid_t spawn(void) * the last read counter value to avoid triggering a WARN_ON_ONCE() in * smp_call_function_many() caused by sending IPIs from NMI context. */ -int test__intel_cqm_count_nmi_context(int subtest __maybe_unused) +int test__intel_cqm_count_nmi_context(struct test *test __maybe_unused, int subtest __maybe_unused) { struct perf_evlist *evlist = NULL; struct perf_evsel *evsel = NULL; diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index e3ae9cff2b67..b59678e8c1e2 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <inttypes.h> #include <stdio.h> @@ -37,7 +38,7 @@ * %0 is returned, otherwise %-1 is returned. If TSC conversion is not * supported then then the test passes but " (not supported)" is printed. */ -int test__perf_time_to_tsc(int subtest __maybe_unused) +int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe_unused) { struct record_opts opts = { .mmap_pages = UINT_MAX, diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c index 500cf96db979..7a11f02d6c6c 100644 --- a/tools/perf/arch/x86/tests/rdpmc.c +++ b/tools/perf/arch/x86/tests/rdpmc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <unistd.h> #include <stdlib.h> @@ -154,7 +155,7 @@ out_close: return 0; } -int test__rdpmc(int subtest __maybe_unused) +int test__rdpmc(struct test *test __maybe_unused, int subtest __maybe_unused) { int status = 0; int wret = 0; diff --git a/tools/perf/arch/x86/tests/regs_load.S b/tools/perf/arch/x86/tests/regs_load.S index 60875d5c556c..bbe5a0d16e51 100644 --- a/tools/perf/arch/x86/tests/regs_load.S +++ b/tools/perf/arch/x86/tests/regs_load.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/linkage.h> #define AX 0 diff --git a/tools/perf/arch/x86/util/group.c b/tools/perf/arch/x86/util/group.c index 37f92aa39a5d..e2f8034b8973 100644 --- a/tools/perf/arch/x86/util/group.c +++ b/tools/perf/arch/x86/util/group.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdio.h> #include "api/fs/fs.h" #include "util/group.h" diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c index a74a48db26f5..33027c5e6f92 100644 --- a/tools/perf/arch/x86/util/header.c +++ b/tools/perf/arch/x86/util/header.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <sys/types.h> #include <unistd.h> #include <stdio.h> diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c index af2bce7a2cd6..781df40b2966 100644 --- a/tools/perf/arch/x86/util/intel-bts.c +++ b/tools/perf/arch/x86/util/intel-bts.c @@ -35,10 +35,6 @@ #define KiB_MASK(x) (KiB(x) - 1) #define MiB_MASK(x) (MiB(x) - 1) -#define INTEL_BTS_DFLT_SAMPLE_SIZE KiB(4) - -#define INTEL_BTS_MAX_SAMPLE_SIZE KiB(60) - struct intel_bts_snapshot_ref { void *ref_buf; size_t ref_offset; diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index f630de0206a1..db0ba8caf5a2 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -40,10 +40,6 @@ #define KiB_MASK(x) (KiB(x) - 1) #define MiB_MASK(x) (MiB(x) - 1) -#define INTEL_PT_DEFAULT_SAMPLE_SIZE KiB(4) - -#define INTEL_PT_MAX_SAMPLE_SIZE KiB(60) - #define INTEL_PT_PSB_PERIOD_NEAR 256 struct intel_pt_snapshot_ref { @@ -196,6 +192,7 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu) int psb_cyc, psb_periods, psb_period; int pos = 0; u64 config; + char c; pos += scnprintf(buf + pos, sizeof(buf) - pos, "tsc"); @@ -229,6 +226,10 @@ static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu) } } + if (perf_pmu__scan_file(intel_pt_pmu, "format/pt", "%c", &c) == 1 && + perf_pmu__scan_file(intel_pt_pmu, "format/branch", "%c", &c) == 1) + pos += scnprintf(buf + pos, sizeof(buf) - pos, ",pt,branch"); + pr_debug2("%s default config: %s\n", intel_pt_pmu->name, buf); intel_pt_parse_terms(&intel_pt_pmu->format, buf, &config); @@ -700,6 +701,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, perf_evsel__set_sample_bit(switch_evsel, TID); perf_evsel__set_sample_bit(switch_evsel, TIME); perf_evsel__set_sample_bit(switch_evsel, CPU); + perf_evsel__reset_sample_bit(switch_evsel, BRANCH_STACK); opts->record_switch_events = false; ptr->have_sched_switch = 3; @@ -751,6 +753,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, tracking_evsel->attr.freq = 0; tracking_evsel->attr.sample_period = 1; + tracking_evsel->no_aux_samples = true; if (need_immediate) tracking_evsel->immediate = true; @@ -760,6 +763,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, /* And the CPU for switch events */ perf_evsel__set_sample_bit(tracking_evsel, CPU); } + perf_evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK); } /* diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c index bf817beca0a8..b32409a0e546 100644 --- a/tools/perf/arch/x86/util/kvm-stat.c +++ b/tools/perf/arch/x86/util/kvm-stat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include "../../util/kvm-stat.h" #include <asm/svm.h> diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c index f95edebfb716..4b2caf6d48e7 100644 --- a/tools/perf/arch/x86/util/perf_regs.c +++ b/tools/perf/arch/x86/util/perf_regs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <errno.h> #include <string.h> #include <regex.h> diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c index 79fe07158d00..63a74c32ddc5 100644 --- a/tools/perf/arch/x86/util/pmu.c +++ b/tools/perf/arch/x86/util/pmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <string.h> #include <linux/perf_event.h> diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c index 2e5567c94e09..06bae7023a51 100644 --- a/tools/perf/arch/x86/util/tsc.c +++ b/tools/perf/arch/x86/util/tsc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <stdbool.h> #include <errno.h> diff --git a/tools/perf/arch/x86/util/unwind-libdw.c b/tools/perf/arch/x86/util/unwind-libdw.c index 38dc9bb2a7c9..fda8f4206ee4 100644 --- a/tools/perf/arch/x86/util/unwind-libdw.c +++ b/tools/perf/arch/x86/util/unwind-libdw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <elfutils/libdwfl.h> #include "../../util/unwind-libdw.h" #include "../../util/perf_regs.h" diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c index 4f16661cbdbb..9c917f80c906 100644 --- a/tools/perf/arch/x86/util/unwind-libunwind.c +++ b/tools/perf/arch/x86/util/unwind-libunwind.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef REMOTE_UNWIND_LIBUNWIND #include <errno.h> diff --git a/tools/perf/arch/xtensa/include/dwarf-regs-table.h b/tools/perf/arch/xtensa/include/dwarf-regs-table.h index aa0444a33fe6..d7c9f1fb4444 100644 --- a/tools/perf/arch/xtensa/include/dwarf-regs-table.h +++ b/tools/perf/arch/xtensa/include/dwarf-regs-table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef DEFINE_DWARF_REGSTR_TABLE /* This is included in perf/util/dwarf-regs.c */ |
