From: Namhyung Kim <namhyung@kernel.org>
To: acme@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com,
vmolnaro@redhat.com, mpetlan@redhat.com, tmricht@linux.ibm.com,
maddy@linux.ibm.com, irogers@google.com,
Tanushree Shah <tshah@linux.ibm.com>
Cc: linux-perf-users@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
atrajeev@linux.ibm.com, hbathini@linux.ibm.com,
Tejas.Manhas1@ibm.com, Tanushree.Shah@ibm.com,
Shivani.Nittor@ibm.com
Subject: Re: [PATCH v4] perf dso: Fix kallsyms DSO detection with fallback logic
Date: Thu, 09 Jul 2026 17:41:18 -0700 [thread overview]
Message-ID: <178364407868.1457655.7985344242070155598.b4-ty@kernel.org> (raw)
In-Reply-To: <20260708112607.548304-2-tshah@linux.ibm.com>
On Wed, 08 Jul 2026 16:56:08 +0530, Tanushree Shah wrote:
> The current kallsyms detection in dso__is_kallsyms() uses the
> dso_binary_type enum which fixes the issue of kallsyms being cached in
> the build-id cache for out-of-tree modules.
>
> However, during build-id injection in perf record/inject, dso_binary_type
> has not been explicitly set yet,so dso__binary_type() returns
> DSO_BINARY_TYPE__NOT_FOUND instead of DSO_BINARY_TYPE__KALLSYMS for the
> kernel DSO. The current check then fails to identify it as kallsyms,
> causing build-id symlinks to not be created in ~/.debug/.build-id/ and
> perf archive to fail with "Cannot stat" errors.
>
> [...]
Applied to perf-tools-next, thanks!
Best regards,
Namhyung
prev parent reply other threads:[~2026-07-10 0:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-08 11:26 [PATCH v4] perf dso: Fix kallsyms DSO detection with fallback logic Tanushree Shah
2026-07-10 0:41 ` Namhyung Kim [this message]
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