[all-commits] [llvm/llvm-project] 1d1b33: [bolt] Use a fixed name for the kernel image

xur-llvm via All-commits all-commits at lists.llvm.org
Thu Dec 19 16:52:52 PST 2024


  Branch: refs/heads/users/xur-llvm/spr/bolt
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d1b33407d7129f949a0d1e8b64c13cd490e3596
      https://github.com/llvm/llvm-project/commit/1d1b33407d7129f949a0d1e8b64c13cd490e3596
  Author: Rong Xu <xur at google.com>
  Date:   2024-12-19 (Thu, 19 Dec 2024)

  Changed paths:
    M bolt/lib/Profile/DataAggregator.cpp

  Log Message:
  -----------
  [bolt] Use a fixed name for the kernel image

Use a fixed name for the kernel image to process kernel profiles,
regardless of the presence of a build ID or not.

This is to address the issue when the provided kernel image lacks a
matching build ID. This name, "[kernel.kallsyms]", is the default
for kernel DSOs in the Linux kernel source code
(see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/perf/util/dso.c#n428).

While "[guest.kernel.kallsyms]" is the kernel DSO name for guest kernel,
support for VM profiles is currently limited. Therefore, we can
skip this name for now.



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