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I think the return value of SKIP (2) should be used when it skipped the entire test suite rather than a few of them. While the FAIL should be reserved if any of test failed. $ perf test -vv 109 109: perf all metricgroups test: --- start --- test child forked, pid 2493003 Testing Backend Testing Bad Testing BadSpec Testing BigFootprint Testing BrMispredicts Testing Branches Testing BvBC Testing BvBO Testing BvCB Testing BvFB Testing BvIO Testing BvMB Testing BvML Testing BvMP Testing BvMS Testing BvMT Testing BvOB Testing BvUW Testing CacheHits Testing CacheMisses Testing CodeGen Testing Compute Testing Cor Testing DSB Testing DSBmiss Testing DataSharing Testing Default Testing Default2 Testing Default3 Testing Default4 Ignoring failures in Default4 that may contain unsupported legacy events Testing Fed Testing FetchBW Testing FetchLat Testing Flops Testing FpScalar Testing FpVector Testing Frontend Testing HPC Testing IcMiss Testing InsType Testing LSD Testing LockCont Testing MachineClears Testing Machine_Clears Testing Mem Testing MemOffcore Testing MemoryBW Testing MemoryBound Testing MemoryLat Testing MemoryTLB Testing Memory_BW Testing Memory_Lat Testing MicroSeq Testing OS Testing Offcore Testing PGO Testing Pipeline Testing PortsUtil Testing Power Testing Prefetches Testing Ret Testing Retire Testing SMT Testing Snoop Testing SoC Testing Summary Testing TmaL1 Testing TmaL2 Testing TmaL3mem Testing TopdownL1 Testing TopdownL2 Testing TopdownL3 Testing TopdownL4 Testing TopdownL5 Testing TopdownL6 Testing smi Testing tma_L1_group Testing tma_L2_group Testing tma_L3_group Testing tma_L4_group Testing tma_L5_group Testing tma_L6_group Testing tma_alu_op_utilization_group Testing tma_assists_group Testing tma_backend_bound_group Testing tma_bad_speculation_group Testing tma_branch_mispredicts_group Testing tma_branch_resteers_group Testing tma_code_stlb_miss_group Testing tma_core_bound_group Testing tma_divider_group Testing tma_dram_bound_group Testing tma_dtlb_load_group Testing tma_dtlb_store_group Testing tma_fetch_bandwidth_group Testing tma_fetch_latency_group Testing tma_fp_arith_group Testing tma_fp_vector_group Testing tma_frontend_bound_group Testing tma_heavy_operations_group Testing tma_icache_misses_group Testing tma_issue2P Testing tma_issueBM Testing tma_issueBW Testing tma_issueComp Testing tma_issueD0 Testing tma_issueFB Testing tma_issueFL Testing tma_issueL1 Testing tma_issueLat Testing tma_issueMC Testing tma_issueMS Testing tma_issueMV Testing tma_issueRFO Testing tma_issueSL Testing tma_issueSO Testing tma_issueSmSt Testing tma_issueSpSt Testing tma_issueSyncxn Testing tma_issueTLB Testing tma_itlb_misses_group Testing tma_l1_bound_group Testing tma_l2_bound_group Testing tma_l3_bound_group Testing tma_light_operations_group Testing tma_load_stlb_miss_group Testing tma_machine_clears_group Testing tma_memory_bound_group Testing tma_microcode_sequencer_group Testing tma_mite_group Testing tma_other_light_ops_group Testing tma_ports_utilization_group Testing tma_ports_utilized_0_group Testing tma_ports_utilized_3m_group Testing tma_retiring_group Testing tma_serializing_operation_group Testing tma_store_bound_group Testing tma_store_stlb_miss_group Testing transaction ---- end(0) ---- 109: perf all metricgroups test : Ok Signed-off-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: James Clark <james.clark@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel ============ The Linux kernel is the core of any Linux operating system. It manages hardware, system resources, and provides the fundamental services for all other software. Quick Start ----------- * Report a bug: See Documentation/admin-guide/reporting-issues.rst * Get the latest kernel: https://kernel.org * Build the kernel: See Documentation/admin-guide/quickly-build-trimmed-linux.rst * Join the community: https://lore.kernel.org/ Essential Documentation ----------------------- All users should be familiar with: * Building requirements: Documentation/process/changes.rst * Code of Conduct: Documentation/process/code-of-conduct.rst * License: See COPYING Documentation can be built with make htmldocs or viewed online at: https://www.kernel.org/doc/html/latest/ Who Are You? ============ Find your role below: * New Kernel Developer - Getting started with kernel development * Academic Researcher - Studying kernel internals and architecture * Security Expert - Hardening and vulnerability analysis * Backport/Maintenance Engineer - Maintaining stable kernels * System Administrator - Configuring and troubleshooting * Maintainer - Leading subsystems and reviewing patches * Hardware Vendor - Writing drivers for new hardware * Distribution Maintainer - Packaging kernels for distros For Specific Users ================== New Kernel Developer -------------------- Welcome! Start your kernel development journey here: * Getting Started: Documentation/process/development-process.rst * Your First Patch: Documentation/process/submitting-patches.rst * Coding Style: Documentation/process/coding-style.rst * Build System: Documentation/kbuild/index.rst * Development Tools: Documentation/dev-tools/index.rst * Kernel Hacking Guide: Documentation/kernel-hacking/hacking.rst * Core APIs: Documentation/core-api/index.rst Academic Researcher ------------------- Explore the kernel's architecture and internals: * Researcher Guidelines: Documentation/process/researcher-guidelines.rst * Memory Management: Documentation/mm/index.rst * Scheduler: Documentation/scheduler/index.rst * Networking Stack: Documentation/networking/index.rst * Filesystems: Documentation/filesystems/index.rst * RCU (Read-Copy Update): Documentation/RCU/index.rst * Locking Primitives: Documentation/locking/index.rst * Power Management: Documentation/power/index.rst Security Expert --------------- Security documentation and hardening guides: * Security Documentation: Documentation/security/index.rst * LSM Development: Documentation/security/lsm-development.rst * Self Protection: Documentation/security/self-protection.rst * Reporting Vulnerabilities: Documentation/process/security-bugs.rst * CVE Procedures: Documentation/process/cve.rst * Embargoed Hardware Issues: Documentation/process/embargoed-hardware-issues.rst * Security Features: Documentation/userspace-api/seccomp_filter.rst Backport/Maintenance Engineer ----------------------------- Maintain and stabilize kernel versions: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * Backporting Guide: Documentation/process/backporting.rst * Applying Patches: Documentation/process/applying-patches.rst * Subsystem Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git for Maintainers: Documentation/maintainer/configure-git.rst System Administrator -------------------- Configure, tune, and troubleshoot Linux systems: * Admin Guide: Documentation/admin-guide/index.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Sysctl Tuning: Documentation/admin-guide/sysctl/index.rst * Tracing/Debugging: Documentation/trace/index.rst * Performance Security: Documentation/admin-guide/perf-security.rst * Hardware Monitoring: Documentation/hwmon/index.rst Maintainer ---------- Lead kernel subsystems and manage contributions: * Maintainer Handbook: Documentation/maintainer/index.rst * Pull Requests: Documentation/maintainer/pull-requests.rst * Managing Patches: Documentation/maintainer/modifying-patches.rst * Rebasing and Merging: Documentation/maintainer/rebasing-and-merging.rst * Development Process: Documentation/process/maintainer-handbooks.rst * Maintainer Entry Profile: Documentation/maintainer/maintainer-entry-profile.rst * Git Configuration: Documentation/maintainer/configure-git.rst Hardware Vendor --------------- Write drivers and support new hardware: * Driver API Guide: Documentation/driver-api/index.rst * Driver Model: Documentation/driver-api/driver-model/driver.rst * Device Drivers: Documentation/driver-api/infrastructure.rst * Bus Types: Documentation/driver-api/driver-model/bus.rst * Device Tree Bindings: Documentation/devicetree/bindings/ * Power Management: Documentation/driver-api/pm/index.rst * DMA API: Documentation/core-api/dma-api.rst Distribution Maintainer ----------------------- Package and distribute the kernel: * Stable Kernel Rules: Documentation/process/stable-kernel-rules.rst * ABI Documentation: Documentation/ABI/README * Kernel Configuration: Documentation/kbuild/kconfig.rst * Module Signing: Documentation/admin-guide/module-signing.rst * Kernel Parameters: Documentation/admin-guide/kernel-parameters.rst * Tainted Kernels: Documentation/admin-guide/tainted-kernels.rst Communication and Support ========================= * Mailing Lists: https://lore.kernel.org/ * IRC: #kernelnewbies on irc.oftc.net * Bugzilla: https://bugzilla.kernel.org/ * MAINTAINERS file: Lists subsystem maintainers and mailing lists * Email Clients: Documentation/process/email-clients.rst