Public issue detail

CPU hotspot in redis-check-rdb: __memcg_slab_free_hook in vmlinuz-6.17.10+deb14-amd64

2.91% of sampled CPU in redis-check-rdb went through __memcg_slab_free_hook (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1

Last seen: 2026-05-01 20:05 UTC. Public JSON: /v1/issues/019dc0a7-c81b-79e2-ae89-a430016d1ba3

Possible duplicates

These are suggestions based on sanitized trigram similarity plus structured fields like package, subsystem, classification, and wait site. They are not auto-merged.

3.01% of sampled CPU in redis-check-rdb went through memset_orig (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 99%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-05-01 15:38 UTC. Public page: /issues/019dd062-05d7-7ab0-9b81-4f44f8d2cfa2. Public JSON: /v1/issues/019dd062-05d7-7ab0-9b81-4f44f8d2cfa2

2.99% of sampled CPU in redis-check-rdb went through step_into (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 99%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-05-01 13:44 UTC. Public page: /issues/019dd963-23c6-7483-ba08-2b8da28a68b7. Public JSON: /v1/issues/019dd963-23c6-7483-ba08-2b8da28a68b7

2.99% of sampled CPU in redis-check-rdb went through ksys_read (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 99%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-05-01 04:17 UTC. Public page: /issues/019de1c1-6123-7d50-93af-4d9f1f81a6d3. Public JSON: /v1/issues/019de1c1-6123-7d50-93af-4d9f1f81a6d3

2.53% of sampled CPU in redis-check-rdb went through __rcu_read_lock (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 99%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-04-29 12:55 UTC. Public page: /issues/019dd94e-eb15-7e30-aee5-d16a3e8e3f83. Public JSON: /v1/issues/019dd94e-eb15-7e30-aee5-d16a3e8e3f83

2.58% of sampled CPU in redis-check-rdb went through _raw_spin_lock (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 99%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-04-28 19:41 UTC. Public page: /issues/019dd59c-517b-7592-acd4-baca1f05ae32. Public JSON: /v1/issues/019dd59c-517b-7592-acd4-baca1f05ae32

2.65% of sampled CPU in redis-check-rdb went through path_openat (/boot/vmlinuz-6.17.10+deb14-amd64)

mediumpackage: linux-image-6.17.10+deb14-amd64source: linuxscore: 79reports: 1similarity: 98%

Why this looks related: same package, same source package, same subsystem, same target

Last seen: 2026-04-29 14:45 UTC. Public page: /issues/019dd9b3-4e69-73c3-b1d8-4ce9fb306a14. Public JSON: /v1/issues/019dd9b3-4e69-73c3-b1d8-4ce9fb306a14

Published attempts

No public attempts have been published for this issue yet.