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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id h1-v6sm14501316wri.90.2018.06.30.01.44.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 30 Jun 2018 01:44:48 -0700 (PDT) Date: Sat, 30 Jun 2018 10:44:46 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Peter Zijlstra , Thomas Gleixner , Andrew Morton Subject: [GIT PULL] perf fixes Message-ID: <20180630084446.GA13569@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus, Please pull the latest perf-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-for-linus # HEAD: 9331510135640429711afbd0c810686100824a79 perf/core: Move inline keyword at the beginning of declaration Tooling fixes mostly, plus a build warning fix. Thanks, Ingo ------------------> Adrian Hunter (1): perf intel-pt: Fix packet decoding of CYC packets Arnaldo Carvalho de Melo (5): tools headers uapi: Synchronize drm/drm.h perf tools: Update x86's syscall_64.tbl, adding 'io_pgetevents' and 'rseq' tools include powerpc: Update arch/powerpc/include/uapi/asm/unistd.h copy to get 'rseq' syscall tools include uapi: Update if_link.h to pick IFLA_{BRPORT_ISOLATED,VXLAN_TTL_INHERIT} tools include uapi: Synchronize bpf.h with the kernel Ingo Molnar (1): tools/headers: Pick up latest kernel ABIs Jiri Olsa (3): perf tests: Add event parsing error handling to parse events test perf tests: Add valid callback for parse-events test perf bench: Fix numa report output code Mathieu Malaterre (1): perf/core: Move inline keyword at the beginning of declaration Ravi Bangoria (3): perf script: Add missing output fields in a hint perf script: Fix crash because of missing evsel->priv perf tools: Fix crash caused by accessing feat_ops[HEADER_LAST_FEATURE] Sandipan Das (1): perf report powerpc: Fix crash if callchain is empty Thomas Richter (5): perf record: Support s390 random socket_id assignment perf test session topology: Fix test on s390 perf alias: Remove trailing newline when reading sysfs files perf alias: Rebuild alias expression string to make it comparable perf stat: Remove duplicate event counting Yonghong Song (1): perf tools: Fix a clang 7.0 compilation error kernel/events/core.c | 2 +- tools/arch/arm/include/uapi/asm/kvm.h | 1 + tools/arch/arm64/include/uapi/asm/kvm.h | 1 + tools/arch/powerpc/include/uapi/asm/kvm.h | 1 + tools/arch/powerpc/include/uapi/asm/unistd.h | 1 + tools/arch/x86/include/asm/cpufeatures.h | 2 + tools/include/uapi/drm/drm.h | 7 ++ tools/include/uapi/linux/bpf.h | 2 +- tools/include/uapi/linux/if_link.h | 2 + tools/include/uapi/linux/kvm.h | 1 + tools/perf/arch/powerpc/util/skip-callchain-idx.c | 2 +- tools/perf/arch/x86/entry/syscalls/syscall_64.tbl | 2 + tools/perf/bench/numa.c | 5 +- tools/perf/builtin-annotate.c | 11 ++- tools/perf/builtin-report.c | 3 +- tools/perf/builtin-script.c | 30 ++++++- tools/perf/tests/parse-events.c | 25 ++++-- tools/perf/tests/topology.c | 1 + tools/perf/util/c++/clang.cpp | 11 ++- tools/perf/util/header.c | 12 ++- .../util/intel-pt-decoder/intel-pt-pkt-decoder.c | 2 +- tools/perf/util/pmu.c | 99 +++++++++++++++++++++- 22 files changed, 201 insertions(+), 22 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 80cca2b30c4f..8f0434a9951a 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6482,7 +6482,7 @@ void perf_prepare_sample(struct perf_event_header *header, data->phys_addr = perf_virt_to_phys(data->addr); } -static void __always_inline +static __always_inline void __perf_event_output(struct perf_event *event, struct perf_sample_data *data, struct pt_regs *regs, diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h index caae4843cb70..16e006f708ca 100644 --- a/tools/arch/arm/include/uapi/asm/kvm.h +++ b/tools/arch/arm/include/uapi/asm/kvm.h @@ -91,6 +91,7 @@ struct kvm_regs { #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 #define KVM_VGIC_ITS_ADDR_TYPE 4 +#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 #define KVM_VGIC_V3_DIST_SIZE SZ_64K #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h index 04b3256f8e6d..4e76630dd655 100644 --- a/tools/arch/arm64/include/uapi/asm/kvm.h +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -91,6 +91,7 @@ struct kvm_regs { #define KVM_VGIC_V3_ADDR_TYPE_DIST 2 #define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 #define KVM_VGIC_ITS_ADDR_TYPE 4 +#define KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION 5 #define KVM_VGIC_V3_DIST_SIZE SZ_64K #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h index 833ed9a16adf..1b32b56a03d3 100644 --- a/tools/arch/powerpc/include/uapi/asm/kvm.h +++ b/tools/arch/powerpc/include/uapi/asm/kvm.h @@ -633,6 +633,7 @@ struct kvm_ppc_cpu_char { #define KVM_REG_PPC_PSSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbd) #define KVM_REG_PPC_DEC_EXPIRY (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xbe) +#define KVM_REG_PPC_ONLINE (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbf) /* Transactional Memory checkpointed state: * This is all GPRs, all VSX regs and a subset of SPRs diff --git a/tools/arch/powerpc/include/uapi/asm/unistd.h b/tools/arch/powerpc/include/uapi/asm/unistd.h index 389c36fd8299..ac5ba55066dd 100644 --- a/tools/arch/powerpc/include/uapi/asm/unistd.h +++ b/tools/arch/powerpc/include/uapi/asm/unistd.h @@ -398,5 +398,6 @@ #define __NR_pkey_alloc 384 #define __NR_pkey_free 385 #define __NR_pkey_mprotect 386 +#define __NR_rseq 387 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h index fb00a2fca990..5701f5cecd31 100644 --- a/tools/arch/x86/include/asm/cpufeatures.h +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -282,7 +282,9 @@ #define X86_FEATURE_AMD_IBPB (13*32+12) /* "" Indirect Branch Prediction Barrier */ #define X86_FEATURE_AMD_IBRS (13*32+14) /* "" Indirect Branch Restricted Speculation */ #define X86_FEATURE_AMD_STIBP (13*32+15) /* "" Single Thread Indirect Branch Predictors */ +#define X86_FEATURE_AMD_SSBD (13*32+24) /* "" Speculative Store Bypass Disable */ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ +#define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h index 6fdff5945c8a..9c660e1688ab 100644 --- a/tools/include/uapi/drm/drm.h +++ b/tools/include/uapi/drm/drm.h @@ -680,6 +680,13 @@ struct drm_get_cap { */ #define DRM_CLIENT_CAP_ATOMIC 3 +/** + * DRM_CLIENT_CAP_ASPECT_RATIO + * + * If set to 1, the DRM core will provide aspect ratio information in modes. + */ +#define DRM_CLIENT_CAP_ASPECT_RATIO 4 + /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */ struct drm_set_client_cap { __u64 capability; diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index e0b06784f227..59b19b6a40d7 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -2630,7 +2630,7 @@ struct bpf_fib_lookup { union { /* inputs to lookup */ __u8 tos; /* AF_INET */ - __be32 flowlabel; /* AF_INET6 */ + __be32 flowinfo; /* AF_INET6, flow_label + priority */ /* output: metric of fib result (IPv4/IPv6 only) */ __u32 rt_metric; diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h index 68699f654118..cf01b6824244 100644 --- a/tools/include/uapi/linux/if_link.h +++ b/tools/include/uapi/linux/if_link.h @@ -333,6 +333,7 @@ enum { IFLA_BRPORT_BCAST_FLOOD, IFLA_BRPORT_GROUP_FWD_MASK, IFLA_BRPORT_NEIGH_SUPPRESS, + IFLA_BRPORT_ISOLATED, __IFLA_BRPORT_MAX }; #define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1) @@ -516,6 +517,7 @@ enum { IFLA_VXLAN_COLLECT_METADATA, IFLA_VXLAN_LABEL, IFLA_VXLAN_GPE, + IFLA_VXLAN_TTL_INHERIT, __IFLA_VXLAN_MAX }; #define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1) diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h index 39e364c70caf..b6270a3b38e9 100644 --- a/tools/include/uapi/linux/kvm.h +++ b/tools/include/uapi/linux/kvm.h @@ -948,6 +948,7 @@ struct kvm_ppc_resize_hpt { #define KVM_CAP_S390_BPB 152 #define KVM_CAP_GET_MSR_FEATURES 153 #define KVM_CAP_HYPERV_EVENTFD 154 +#define KVM_CAP_HYPERV_TLBFLUSH 155 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/tools/perf/arch/powerpc/util/skip-callchain-idx.c b/tools/perf/arch/powerpc/util/skip-callchain-idx.c index 3598b8b75d27..ef5d59a5742e 100644 --- a/tools/perf/arch/powerpc/util/skip-callchain-idx.c +++ b/tools/perf/arch/powerpc/util/skip-callchain-idx.c @@ -243,7 +243,7 @@ int arch_skip_callchain_idx(struct thread *thread, struct ip_callchain *chain) u64 ip; u64 skip_slot = -1; - if (chain->nr < 3) + if (!chain || chain->nr < 3) return skip_slot; ip = chain->ips[2]; diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl index 4dfe42666d0c..f0b1709a5ffb 100644 --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl @@ -341,6 +341,8 @@ 330 common pkey_alloc __x64_sys_pkey_alloc 331 common pkey_free __x64_sys_pkey_free 332 common statx __x64_sys_statx +333 common io_pgetevents __x64_sys_io_pgetevents +334 common rseq __x64_sys_rseq # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index 63eb49082774..44195514b19e 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -1098,7 +1098,7 @@ static void *worker_thread(void *__tdata) u8 *global_data; u8 *process_data; u8 *thread_data; - u64 bytes_done; + u64 bytes_done, secs; long work_done; u32 l; struct rusage rusage; @@ -1254,7 +1254,8 @@ static void *worker_thread(void *__tdata) timersub(&stop, &start0, &diff); td->runtime_ns = diff.tv_sec * NSEC_PER_SEC; td->runtime_ns += diff.tv_usec * NSEC_PER_USEC; - td->speed_gbs = bytes_done / (td->runtime_ns / NSEC_PER_SEC) / 1e9; + secs = td->runtime_ns / NSEC_PER_SEC; + td->speed_gbs = secs ? bytes_done / secs / 1e9 : 0; getrusage(RUSAGE_THREAD, &rusage); td->system_time_ns = rusage.ru_stime.tv_sec * NSEC_PER_SEC; diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 5eb22cc56363..8180319285af 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -283,6 +283,15 @@ static int process_sample_event(struct perf_tool *tool, return ret; } +static int process_feature_event(struct perf_tool *tool, + union perf_event *event, + struct perf_session *session) +{ + if (event->feat.feat_id < HEADER_LAST_FEATURE) + return perf_event__process_feature(tool, event, session); + return 0; +} + static int hist_entry__tty_annotate(struct hist_entry *he, struct perf_evsel *evsel, struct perf_annotate *ann) @@ -471,7 +480,7 @@ int cmd_annotate(int argc, const char **argv) .attr = perf_event__process_attr, .build_id = perf_event__process_build_id, .tracing_data = perf_event__process_tracing_data, - .feature = perf_event__process_feature, + .feature = process_feature_event, .ordered_events = true, .ordering_requires_timestamps = true, }, diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index cdb5b6949832..c04dc7b53797 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -217,7 +217,8 @@ static int process_feature_event(struct perf_tool *tool, } /* - * All features are received, we can force the + * (feat_id = HEADER_LAST_FEATURE) is the end marker which + * means all features are received, now we can force the * group if needed. */ setup_forced_leader(rep, session->evlist); diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index a31d7082188e..568ddfac3213 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1834,6 +1834,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, struct perf_evlist *evlist; struct perf_evsel *evsel, *pos; int err; + static struct perf_evsel_script *es; err = perf_event__process_attr(tool, event, pevlist); if (err) @@ -1842,6 +1843,19 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, evlist = *pevlist; evsel = perf_evlist__last(*pevlist); + if (!evsel->priv) { + if (scr->per_event_dump) { + evsel->priv = perf_evsel_script__new(evsel, + scr->session->data); + } else { + es = zalloc(sizeof(*es)); + if (!es) + return -ENOMEM; + es->fp = stdout; + evsel->priv = es; + } + } + if (evsel->attr.type >= PERF_TYPE_MAX && evsel->attr.type != PERF_TYPE_SYNTH) return 0; @@ -3030,6 +3044,15 @@ int process_cpu_map_event(struct perf_tool *tool __maybe_unused, return set_maps(script); } +static int process_feature_event(struct perf_tool *tool, + union perf_event *event, + struct perf_session *session) +{ + if (event->feat.feat_id < HEADER_LAST_FEATURE) + return perf_event__process_feature(tool, event, session); + return 0; +} + #ifdef HAVE_AUXTRACE_SUPPORT static int perf_script__process_auxtrace_info(struct perf_tool *tool, union perf_event *event, @@ -3074,7 +3097,7 @@ int cmd_script(int argc, const char **argv) .attr = process_attr, .event_update = perf_event__process_event_update, .tracing_data = perf_event__process_tracing_data, - .feature = perf_event__process_feature, + .feature = process_feature_event, .build_id = perf_event__process_build_id, .id_index = perf_event__process_id_index, .auxtrace_info = perf_script__process_auxtrace_info, @@ -3125,8 +3148,9 @@ int cmd_script(int argc, const char **argv) "+field to add and -field to remove." "Valid types: hw,sw,trace,raw,synth. " "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," - "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags," - "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr", + "addr,symoff,srcline,period,iregs,uregs,brstack," + "brstacksym,flags,bpf-output,brstackinsn,brstackoff," + "callindent,insn,insnlen,synth,phys_addr,metric,misc", parse_output_fields), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 7d4077068454..61211918bfba 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1309,6 +1309,11 @@ static int test__checkevent_config_cache(struct perf_evlist *evlist) return 0; } +static bool test__intel_pt_valid(void) +{ + return !!perf_pmu__find("intel_pt"); +} + static int test__intel_pt(struct perf_evlist *evlist) { struct perf_evsel *evsel = perf_evlist__first(evlist); @@ -1375,6 +1380,7 @@ struct evlist_test { const char *name; __u32 type; const int id; + bool (*valid)(void); int (*check)(struct perf_evlist *evlist); }; @@ -1648,6 +1654,7 @@ static struct evlist_test test__events[] = { }, { .name = "intel_pt//u", + .valid = test__intel_pt_valid, .check = test__intel_pt, .id = 52, }, @@ -1686,17 +1693,24 @@ static struct terms_test test__terms[] = { static int test_event(struct evlist_test *e) { + struct parse_events_error err = { .idx = 0, }; struct perf_evlist *evlist; int ret; + if (e->valid && !e->valid()) { + pr_debug("... SKIP"); + return 0; + } + evlist = perf_evlist__new(); if (evlist == NULL) return -ENOMEM; - ret = parse_events(evlist, e->name, NULL); + ret = parse_events(evlist, e->name, &err); if (ret) { - pr_debug("failed to parse event '%s', err %d\n", - e->name, ret); + pr_debug("failed to parse event '%s', err %d, str '%s'\n", + e->name, ret, err.str); + parse_events_print_error(&err, e->name); } else { ret = e->check(evlist); } @@ -1714,10 +1728,11 @@ static int test_events(struct evlist_test *events, unsigned cnt) for (i = 0; i < cnt; i++) { struct evlist_test *e = &events[i]; - pr_debug("running test %d '%s'\n", e->id, e->name); + pr_debug("running test %d '%s'", e->id, e->name); ret1 = test_event(e); if (ret1) ret2 = ret1; + pr_debug("\n"); } return ret2; @@ -1799,7 +1814,7 @@ static int test_pmu_events(void) } while (!ret && (ent = readdir(dir))) { - struct evlist_test e; + struct evlist_test e = { .id = 0, }; char name[2 * NAME_MAX + 1 + 12 + 3]; /* Names containing . are special and cannot be used directly */ diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c index 40e30a26b23c..9497d02f69e6 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -45,6 +45,7 @@ static int session_write_header(char *path) perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); perf_header__set_feat(&session->header, HEADER_NRCPUS); + perf_header__set_feat(&session->header, HEADER_ARCH); session->header.data_size += DATA_SIZE; diff --git a/tools/perf/util/c++/clang.cpp b/tools/perf/util/c++/clang.cpp index bf31ceab33bd..89512504551b 100644 --- a/tools/perf/util/c++/clang.cpp +++ b/tools/perf/util/c++/clang.cpp @@ -146,8 +146,15 @@ getBPFObjectFromModule(llvm::Module *Module) raw_svector_ostream ostream(*Buffer); legacy::PassManager PM; - if (TargetMachine->addPassesToEmitFile(PM, ostream, - TargetMachine::CGFT_ObjectFile)) { + bool NotAdded; +#if CLANG_VERSION_MAJOR < 7 + NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream, + TargetMachine::CGFT_ObjectFile); +#else + NotAdded = TargetMachine->addPassesToEmitFile(PM, ostream, nullptr, + TargetMachine::CGFT_ObjectFile); +#endif + if (NotAdded) { llvm::errs() << "TargetMachine can't emit a file of this type\n"; return std::unique_ptr>(nullptr);; } diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 540cd2dcd3e7..653ff65aa2c3 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2129,6 +2129,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused) int cpu_nr = ff->ph->env.nr_cpus_avail; u64 size = 0; struct perf_header *ph = ff->ph; + bool do_core_id_test = true; ph->env.cpu = calloc(cpu_nr, sizeof(*ph->env.cpu)); if (!ph->env.cpu) @@ -2183,6 +2184,13 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused) return 0; } + /* On s390 the socket_id number is not related to the numbers of cpus. + * The socket_id number might be higher than the numbers of cpus. + * This depends on the configuration. + */ + if (ph->env.arch && !strncmp(ph->env.arch, "s390", 4)) + do_core_id_test = false; + for (i = 0; i < (u32)cpu_nr; i++) { if (do_read_u32(ff, &nr)) goto free_cpu; @@ -2192,7 +2200,7 @@ static int process_cpu_topology(struct feat_fd *ff, void *data __maybe_unused) if (do_read_u32(ff, &nr)) goto free_cpu; - if (nr != (u32)-1 && nr > (u32)cpu_nr) { + if (do_core_id_test && nr != (u32)-1 && nr > (u32)cpu_nr) { pr_debug("socket_id number is too big." "You may need to upgrade the perf tool.\n"); goto free_cpu; @@ -3456,7 +3464,7 @@ int perf_event__process_feature(struct perf_tool *tool, pr_warning("invalid record type %d in pipe-mode\n", type); return 0; } - if (feat == HEADER_RESERVED || feat > HEADER_LAST_FEATURE) { + if (feat == HEADER_RESERVED || feat >= HEADER_LAST_FEATURE) { pr_warning("invalid record type %d in pipe-mode\n", type); return -1; } diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c index ba4c9dd18643..d426761a549d 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c @@ -366,7 +366,7 @@ static int intel_pt_get_cyc(unsigned int byte, const unsigned char *buf, if (len < offs) return INTEL_PT_NEED_MORE_BYTES; byte = buf[offs++]; - payload |= (byte >> 1) << shift; + payload |= ((uint64_t)byte >> 1) << shift; } packet->type = INTEL_PT_CYC; diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index d2fb597c9a8c..3ba6a1742f91 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -234,6 +234,74 @@ static int perf_pmu__parse_snapshot(struct perf_pmu_alias *alias, return 0; } +static void perf_pmu_assign_str(char *name, const char *field, char **old_str, + char **new_str) +{ + if (!*old_str) + goto set_new; + + if (*new_str) { /* Have new string, check with old */ + if (strcasecmp(*old_str, *new_str)) + pr_debug("alias %s differs in field '%s'\n", + name, field); + zfree(old_str); + } else /* Nothing new --> keep old string */ + return; +set_new: + *old_str = *new_str; + *new_str = NULL; +} + +static void perf_pmu_update_alias(struct perf_pmu_alias *old, + struct perf_pmu_alias *newalias) +{ + perf_pmu_assign_str(old->name, "desc", &old->desc, &newalias->desc); + perf_pmu_assign_str(old->name, "long_desc", &old->long_desc, + &newalias->long_desc); + perf_pmu_assign_str(old->name, "topic", &old->topic, &newalias->topic); + perf_pmu_assign_str(old->name, "metric_expr", &old->metric_expr, + &newalias->metric_expr); + perf_pmu_assign_str(old->name, "metric_name", &old->metric_name, + &newalias->metric_name); + perf_pmu_assign_str(old->name, "value", &old->str, &newalias->str); + old->scale = newalias->scale; + old->per_pkg = newalias->per_pkg; + old->snapshot = newalias->snapshot; + memcpy(old->unit, newalias->unit, sizeof(old->unit)); +} + +/* Delete an alias entry. */ +static void perf_pmu_free_alias(struct perf_pmu_alias *newalias) +{ + zfree(&newalias->name); + zfree(&newalias->desc); + zfree(&newalias->long_desc); + zfree(&newalias->topic); + zfree(&newalias->str); + zfree(&newalias->metric_expr); + zfree(&newalias->metric_name); + parse_events_terms__purge(&newalias->terms); + free(newalias); +} + +/* Merge an alias, search in alias list. If this name is already + * present merge both of them to combine all information. + */ +static bool perf_pmu_merge_alias(struct perf_pmu_alias *newalias, + struct list_head *alist) +{ + struct perf_pmu_alias *a; + + list_for_each_entry(a, alist, list) { + if (!strcasecmp(newalias->name, a->name)) { + perf_pmu_update_alias(a, newalias); + perf_pmu_free_alias(newalias); + return true; + } + } + return false; +} + static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, char *desc, char *val, char *long_desc, char *topic, @@ -241,9 +309,11 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, char *metric_expr, char *metric_name) { + struct parse_events_term *term; struct perf_pmu_alias *alias; int ret; int num; + char newval[256]; alias = malloc(sizeof(*alias)); if (!alias) @@ -262,6 +332,27 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, return ret; } + /* Scan event and remove leading zeroes, spaces, newlines, some + * platforms have terms specified as + * event=0x0091 (read from files ..//events/ + * and terms specified as event=0x91 (read from JSON files). + * + * Rebuild string to make alias->str member comparable. + */ + memset(newval, 0, sizeof(newval)); + ret = 0; + list_for_each_entry(term, &alias->terms, list) { + if (ret) + ret += scnprintf(newval + ret, sizeof(newval) - ret, + ","); + if (term->type_val == PARSE_EVENTS__TERM_TYPE_NUM) + ret += scnprintf(newval + ret, sizeof(newval) - ret, + "%s=%#x", term->config, term->val.num); + else if (term->type_val == PARSE_EVENTS__TERM_TYPE_STR) + ret += scnprintf(newval + ret, sizeof(newval) - ret, + "%s=%s", term->config, term->val.str); + } + alias->name = strdup(name); if (dir) { /* @@ -285,9 +376,10 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name, snprintf(alias->unit, sizeof(alias->unit), "%s", unit); } alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1; - alias->str = strdup(val); + alias->str = strdup(newval); - list_add_tail(&alias->list, list); + if (!perf_pmu_merge_alias(alias, list)) + list_add_tail(&alias->list, list); return 0; } @@ -303,6 +395,9 @@ static int perf_pmu__new_alias(struct list_head *list, char *dir, char *name, FI buf[ret] = 0; + /* Remove trailing newline from sysfs file */ + rtrim(buf); + return __perf_pmu__new_alias(list, dir, name, NULL, buf, NULL, NULL, NULL, NULL, NULL, NULL); }