Hi, Lianbo 在 2023/12/19 17:56, Lianbo Jiang 写道: > Hi, Song > > On 12/14/23 13:07, devel-request(a)lists.crash-utility.osci.io wrote: >> Date: Wed, 13 Dec 2023 17:45:05 +0800 >> From: Song Shuai&lt;songshuaishuai(a)tinylab.org&gt; >> Subject: [Crash-utility] [PATCH 0/3] RISCV64: enhance bt command >> To:k-hagio-ab@nec.com,xianting.tian@linux.alibaba.com >> Cc:devel@lists.crash-utility.osci.io, Song Shuai >>     &lt;songshuaishuai(a)tinylab.org&gt; >> Message-ID:<20231213094508.693236-1-songshuaishuai@tinylab.org> >> >> hi, >> >> This series enhances the bt command for RISCV64 by making bt aware of >> - possible kernel and user exception frames (bt -e) >> - per-cpu IRQ stacks (bt for vmcore crashed in irq stack, bt -E) >> - per-cpu overflow stacks (bt for vmcore caused by kernel stack >> overflow) >> >> This series is based on the "RISCV64: Fix 'bt' output when no ra on >> the stack top" patch sent a few days ago. You can get them all from >> my Github repo: >> >> https://github.com/sugarfillet/crash/commits/rv64-bt-enhance/ > > Could you please provide the patched kexec-tools(link) for > riscv64?(if possible, please give the test steps) > > It can help me to do some tests quickly. > Thanks for you attention for this series. I had tried to make my riscv support based on kexec-tools' horms/build-test-riscv-v2 merged into horms/main a few weeks ago [1], but that thread seemed be suspended. Anyway, you can directly fetch it from my Github branch: https://github.com/sugarfillet/kexec-tools/commits/main_rv

[1]: https://lore.kernel.org/kexec/DA84A55096BADE15+594e239a-ff6a-368f-ae92-b6... > > Thanks. > > Lianbo > >> >> The detailed test report can be found in each patch's commit-msg and >> all these tests passed on the RV64 Qemu-virt and with RISC-V Linux >> v6.6. >> These vmcores were basicly triggered via LKDTM, you can find the testcases in each patch's commit-msg. >> Here is the abstract of these three patches: >> >> Patch1 : >>      [Crash-utility] RISCV64: Add support for 'bt -e' option >>      With this patch we can search the stack for possible kernel and >> user >>      mode exception frames via 'bt -e' command. >> Patch2 : >>      [Crash-utility] RISCV64: Add per-cpu IRQ stacks support >>      This patch introduces per-cpu IRQ stacks for RISCV64 to let >>      "bt" do backtrace on it and 'bt -E' search eframes on it, >>      and the 'help -m' command displays the addresses of each >>      per-cpu IRQ stack. >> Patch3: >>      [Crash-utility] RISCV64: Add per-cpu overflow stacks support >>      The patch introduces per-cpu overflow stacks for RISCV64 to let >>      "bt" do backtrace on it and the 'help -m' command dispalys the >>      addresss of each per-cpu overflow stack. >> >> Song Shuai (3): >>    [Crash-utility] RISCV64: Add support for 'bt -e' option >>    [Crash-utility] RISCV64: Add per-cpu IRQ stacks support >>    [Crash-utility] RISCV64: Add per-cpu overflow stacks support >> >>   defs.h    |  30 +++- >>   help.c    |   2 +- >>   riscv64.c | 492 >> +++++++++++++++++++++++++++++++++++++++++++++++++++--- >>   3 files changed, 494 insertions(+), 30 deletions(-) >> >> -- 2.20.1 > >