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[PW_SID:1079514] riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support#1748

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[PW_SID:1079514] riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support#1748
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@linux-riscv-bot linux-riscv-bot commented Apr 10, 2026

PR for series 1079514 applied to workflow__riscv__fixes

Name: riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support
URL: https://patchwork.kernel.org/project/linux-riscv/list/?series=1079514
Version: 1

@mikey
riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf sup…
5999b6d 
…port

Add a riscv,pmu device tree node with SBI PMU event mappings for the
SiFive X280 hardware performance counters. This enables OpenSBI to
expose the SBI PMU extension, allowing Linux perf to use the 4
programmable counters (mhpmcounter3-6) across 3 event classes:
instruction commit, microarchitectural, and memory system events.

Event encodings are derived from the SiFive Tenstorrent X280 MC Manual
(21G3.04.00) Table 13, section 3.10.5.

Assisted-by: Claude:claude-opus-4-6[1m]
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Anirudh Srinivasan <asrinivasan@oss.tenstorrent.com>
Signed-off-by: Linux RISC-V bot <linux.riscv.bot@gmail.com>
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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
build-rv32-defconfig
Desc: Builds riscv32 defconfig
Duration: 134.86 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
build-rv64-clang-allmodconfig
Desc: Builds riscv64 allmodconfig with Clang, and checks for errors and added warnings
Duration: 1051.66 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
build-rv64-gcc-allmodconfig
Desc: Builds riscv64 allmodconfig with GCC, and checks for errors and added warnings
Duration: 1407.17 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
build-rv64-nommu-k210-defconfig
Desc: Builds riscv64 defconfig with NOMMU for K210
Duration: 24.65 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
build-rv64-nommu-k210-virt
Desc: Builds riscv64 defconfig with NOMMU for the virt platform
Duration: 26.13 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
checkpatch
Desc: Runs checkpatch.pl on the patch
Duration: 1.95 seconds
Result: ERROR
Output:

WARNING: Non-standard signature: Assisted-by:
#16: 
Assisted-by: Claude:claude-opus-4-6[1m]

ERROR: Unrecognized email address: 'Claude:claude-opus-4-6[1m]'
#16: 
Assisted-by: Claude:claude-opus-4-6[1m]

total: 1 errors, 1 warnings, 0 checks, 54 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 5999b6d18234 ("riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
ERROR: Unrecognized email address: 'Claude:claude-opus-4-6[1m]'
WARNING: Non-standard signature: Assisted-by:

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
dtb-warn-rv64
Desc: Checks for Device Tree warnings/errors
Duration: 82.57 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
header-inline
Desc: Detects static functions without inline keyword in header files
Duration: 0.44 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
kdoc
Desc: Detects for kdoc errors
Duration: 0.89 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
module-param
Desc: Detect module_param changes
Duration: 0.25 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
verify-fixes
Desc: Verifies that the Fixes: tags exist
Duration: 0.23 seconds
Result: PASS

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linux-riscv-bot commented Apr 10, 2026

Patch 1: "riscv: dts: tenstorrent: Add PMU node to blackhole for Linux perf support"
verify-signedoff
Desc: Verifies that Signed-off-by: tags are correct
Duration: 0.29 seconds
Result: PASS

@linux-riscv-bot linux-riscv-bot deleted the pw1079514 branch April 18, 2026 03:42
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