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selftests: net: ksft: print more of the stack for checks
authorJakub Kicinski <kuba@kernel.org>
Thu, 1 Aug 2024 23:23:17 +0000 (16:23 -0700)
committerJakub Kicinski <kuba@kernel.org>
Fri, 2 Aug 2024 23:09:47 +0000 (16:09 -0700)
commit46619175f1b7e4f7fc5dc98547f5eca27193f8dc
treeff9d72433a63af78dd000350538e823cb4941caa
parenta48395f22b8c8687ceb77ae3014a0eabcd4bf688
selftests: net: ksft: print more of the stack for checks

Print more stack frames and the failing line when check fails.
This helps when tests use helpers to do the checks.

Before:

  # At ./ksft/drivers/net/hw/rss_ctx.py line 92:
  # Check failed 1037698 >= 396893.0 traffic on other queues:[344612, 462380, 233020, 449174, 342298]
  not ok 8 rss_ctx.test_rss_context_queue_reconfigure

After:

  # Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 387, in test_rss_context_queue_reconfigure:
  # Check|     test_rss_queue_reconfigure(cfg, main_ctx=False)
  # Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 230, in test_rss_queue_reconfigure:
  # Check|     _send_traffic_check(cfg, port, ctx_ref, { 'target': (0, 3),
  # Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 92, in _send_traffic_check:
  # Check|     ksft_lt(sum(cnts[i] for i in params['noise']), directed / 2,
  # Check failed 1045235 >= 405823.5 traffic on other queues (context 1)':[460068, 351995, 565970, 351579, 127270]
  not ok 8 rss_ctx.test_rss_context_queue_reconfigure

Link: https://patch.msgid.link/20240801232317.545577-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
tools/testing/selftests/net/lib/py/ksft.py