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a="68063297" X-IronPort-AV: E=Sophos;i="6.17,287,1747724400"; d="scan'208";a="68063297" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2025 22:44:20 -0700 X-CSE-ConnectionGUID: EW+xK8OMTcegzO0PV9/IwQ== X-CSE-MsgGUID: DyMXdD5CQGikV6ws5RD5Og== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,287,1747724400"; d="scan'208";a="170876883" Received: from lkp-server02.sh.intel.com (HELO 4ea60e6ab079) ([10.239.97.151]) by fmviesa005.fm.intel.com with ESMTP; 13 Aug 2025 22:44:14 -0700 Received: from kbuild by 4ea60e6ab079 with local (Exim 4.96) (envelope-from ) id 1umQkr-000AcW-2Z; Thu, 14 Aug 2025 05:44:08 +0000 Date: Thu, 14 Aug 2025 13:43:14 +0800 From: kernel test robot To: Robin Murphy , mingo@redhat.com, will@kernel.org, mark.rutland@arm.com, acme@kernel.org, namhyung@kernel.org, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-pm@vger.kernel.org, linux-rockchip@lists.infradead.org, dmaengine@vger.kernel.org, linux-fpga@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH 13/19] perf: Add helper for checking grouped events Message-ID: <202508141353.JZWHsrYP-lkp@intel.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250813_224423_233177_CDDB6911 X-CRM114-Status: GOOD ( 13.39 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Hi Robin, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.17-rc1 next-20250814] [cannot apply to perf-tools-next/perf-tools-next tip/perf/core perf-tools/perf-tools acme/perf/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Robin-Murphy/perf-arm-cmn-Fix-event-validation/20250814-010626 base: linus/master patch link: https://lore.kernel.org/r/b05607c3ce0d3ce52de1784823ef9f6de324283c.1755096883.git.robin.murphy%40arm.com patch subject: [PATCH 13/19] perf: Add helper for checking grouped events config: i386-randconfig-003-20250814 (https://download.01.org/0day-ci/archive/20250814/202508141353.JZWHsrYP-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250814/202508141353.JZWHsrYP-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202508141353.JZWHsrYP-lkp@intel.com/ All warnings (new ones prefixed by >>): >> arch/x86/events/amd/ibs.c:264:6: warning: unused variable 'ret' [-Wunused-variable] 264 | int ret; | ^~~ 1 warning generated. vim +/ret +264 arch/x86/events/amd/ibs.c d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 258 b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 259 static int perf_ibs_init(struct perf_event *event) b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 260 { 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 261 struct hw_perf_event *hwc = &event->hw; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 262 struct perf_ibs *perf_ibs; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 263 u64 config; 7c2128235eff99 arch/x86/events/amd/ibs.c Ravi Bangoria 2023-06-20 @264 int ret; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 265 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 266 perf_ibs = get_ibs_pmu(event->attr.type); 2fad201fe38ff9 arch/x86/events/amd/ibs.c Ravi Bangoria 2023-05-04 267 if (!perf_ibs) 2fad201fe38ff9 arch/x86/events/amd/ibs.c Ravi Bangoria 2023-05-04 268 return -ENOENT; 2fad201fe38ff9 arch/x86/events/amd/ibs.c Ravi Bangoria 2023-05-04 269 450bbd493d436f arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-03-12 270 config = event->attr.config; 450bbd493d436f arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-03-12 271 450bbd493d436f arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-03-12 272 if (event->pmu != &perf_ibs->pmu) b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 273 return -ENOENT; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 274 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 275 if (config & ~perf_ibs->config_mask) 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 276 return -EINVAL; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 277 0f9e0d7928d8e8 arch/x86/events/amd/ibs.c Namhyung Kim 2023-11-30 278 if (has_branch_stack(event)) 0f9e0d7928d8e8 arch/x86/events/amd/ibs.c Namhyung Kim 2023-11-30 279 return -EOPNOTSUPP; 0f9e0d7928d8e8 arch/x86/events/amd/ibs.c Namhyung Kim 2023-11-30 280 d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 281 /* handle exclude_{user,kernel} in the IRQ handler */ d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 282 if (event->attr.exclude_host || event->attr.exclude_guest || d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 283 event->attr.exclude_idle) d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 284 return -EINVAL; d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 285 d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 286 if (!(event->attr.config2 & IBS_SW_FILTER_MASK) && d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 287 (event->attr.exclude_kernel || event->attr.exclude_user || d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 288 event->attr.exclude_hv)) d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 289 return -EINVAL; d29e744c71673a arch/x86/events/amd/ibs.c Namhyung Kim 2024-12-03 290 ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 291 /* ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 292 * Grouping of IBS events is not possible since IBS can have only ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 293 * one event active at any point in time. ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 294 */ ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 295 if (in_hardware_group(event)) ccec93f5de464b arch/x86/events/amd/ibs.c Robin Murphy 2025-08-13 296 return -EINVAL; 7c2128235eff99 arch/x86/events/amd/ibs.c Ravi Bangoria 2023-06-20 297 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 298 if (hwc->sample_period) { 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 299 if (config & perf_ibs->cnt_mask) 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 300 /* raw max_cnt may not be set */ 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 301 return -EINVAL; 88c7bcad71c83f arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 302 b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 303 if (event->attr.freq) { b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 304 hwc->sample_period = perf_ibs->min_period; b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 305 } else { 88c7bcad71c83f arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 306 /* Silently mask off lower nibble. IBS hw mandates it. */ 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 307 hwc->sample_period &= ~0x0FULL; b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 308 if (hwc->sample_period < perf_ibs->min_period) b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 309 return -EINVAL; b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 310 } 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 311 } else { 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 312 u64 period = 0; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 313 e1e7844ced88f9 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 314 if (event->attr.freq) e1e7844ced88f9 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 315 return -EINVAL; e1e7844ced88f9 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 316 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 317 if (perf_ibs == &perf_ibs_op) { 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 318 period = (config & IBS_OP_MAX_CNT) << 4; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 319 if (ibs_caps & IBS_CAPS_OPCNTEXT) 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 320 period |= config & IBS_OP_MAX_CNT_EXT_MASK; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 321 } else { 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 322 period = (config & IBS_FETCH_MAX_CNT) << 4; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 323 } 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 324 db98c5faf8cb35 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 325 config &= ~perf_ibs->cnt_mask; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 326 event->attr.sample_period = period; 598bdf4fefff5a arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 327 hwc->sample_period = period; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 328 b2fc7b282bf7c1 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-01-15 329 if (hwc->sample_period < perf_ibs->min_period) 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 330 return -EINVAL; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 331 } 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 332 d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 333 if (perf_ibs_ldlat_event(perf_ibs, event)) { d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 334 u64 ldlat = event->attr.config1 & 0xFFF; d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 335 d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 336 if (ldlat < 128 || ldlat > 2048) 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 337 return -EINVAL; d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 338 ldlat >>= 7; d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 339 d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 340 config |= (ldlat - 1) << 59; d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 341 config |= IBS_OP_L3MISSONLY | IBS_OP_LDLAT_EN; d20610c19b4a22 arch/x86/events/amd/ibs.c Ravi Bangoria 2025-02-05 342 } 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 343 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 344 /* 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 345 * If we modify hwc->sample_period, we also need to update 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 346 * hwc->last_period and hwc->period_left. 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 347 */ 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 348 hwc->last_period = hwc->sample_period; 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 349 local64_set(&hwc->period_left, hwc->sample_period); 6accb9cf760804 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2012-04-02 350 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 351 hwc->config_base = perf_ibs->msr; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 352 hwc->config = config; 510419435c6948 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-12-15 353 b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 354 return 0; b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 355 } b716916679e720 arch/x86/kernel/cpu/perf_event_amd_ibs.c Robert Richter 2011-09-21 356 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip