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@diegorusso diegorusso commented Jan 22, 2026

Add a test that unwinds the stack using frame pointers. We test on any platform that frame pointers are enable (the others will be skipped). It tests with and without the JIT.

Output with PYTHON_JIT=0

#00 0xbcb53b0332f0 -> python
#01 0xbcb53b1c42b8 -> python
#02 0xbcb53b1ce4b8 -> python
#03 0xbcb53b1d758c -> python
#04 0xbcb53b0332f0 -> python
#05 0xbcb53b1c4774 -> python
#06 0xbcb53b1cfaec -> python
...
#68 0xbe2cbdec495c -> python
#69 0xeaad695b259c -> other
#70 0x60eaad695b267c -> other
#71 0x6be2cbdbc63f0 -> other
{"length": 53, "python_frames": 50, "jit_frames": 0, "other_frames": 3, "jit_code_ranges": 0, "jit_backend": "jit"}

Output with PYTHON_JIT=1

JIT ranges:
  0xeaad6985c000-0xeaad6985e000
#00 0xbe2cbdc332f0 -> python
#01 0xbe2cbddc42b8 -> python
#02 0xbe2cbddce4b8 -> python
#03 0xbe2cbddd758c -> python
#04 0xbe2cbdc332f0 -> python
#05 0xbe2cbddc4774 -> python
#06 0xeaad6985c898 -> jit
...
#61 0xeaad6985b050 -> jit
#62 0xbe2cbddd42a4 -> python
#63 0xbe2cbddd72d4 -> python
#64 0xbe2cbde90d3c -> python
#65 0xbe2cbde910d0 -> python
#66 0xbe2cbde93490 -> python
#67 0xbe2cbdec3d30 -> python
#68 0xbe2cbdec495c -> python
#69 0xeaad695b259c -> other
#70 0x60eaad695b267c -> other
#71 0x6be2cbdbc63f0 -> other
{"length": 72, "python_frames": 49, "jit_frames": 20, "other_frames": 3, "jit_code_ranges": 1, "jit_backend": "jit"}

The core of the test has been taken from @pablogsal repository https://github.com/pablogsal/cpython-unwind

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🤖 New build scheduled with the buildbot fleet by @diegorusso for commit 5d53a15 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F144137%2Fmerge

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.

@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 22, 2026
@diegorusso diegorusso added the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 22, 2026
@bedevere-bot
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🤖 New build scheduled with the buildbot fleet by @diegorusso for commit c179848 🤖

Results will be shown at:

https://buildbot.python.org/all/#/grid?branch=refs%2Fpull%2F144137%2Fmerge

If you want to schedule another build, you need to add the 🔨 test-with-buildbots label again.

@bedevere-bot bedevere-bot removed the 🔨 test-with-buildbots Test PR w/ buildbots; report in status section label Jan 22, 2026
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