mirror/libbpf
1
0
Fork 0
mirror of https://github.com/netdata/libbpf.git synced 2026-09-08 20:46:49 +08:00
Code Issues Packages Projects Releases Wiki Activity
2,531 Commits 29 Branches 44 Tags
db73e46709c402ebca69beaad8bcf859cd19ea9f
Commit Graph
2 Commits
This Branch
This Branch
All Branches
Author SHA1 Message Date
Kenny Yu 04aef6ce9b libbpf: Add "iter.s" section for sleepable bpf iterator programs 
This adds a new bpf section "iter.s" to allow bpf iterator programs to
be sleepable.

Signed-off-by: Kenny Yu <kennyyu@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220124185403.468466-4-kennyyu@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2022-01-25 23:37:04 -08:00
Kenny Yu a9491bb920 bpf: Add bpf_copy_from_user_task() helper 
This adds a helper for bpf programs to read the memory of other
tasks.

As an example use case at Meta, we are using a bpf task iterator program
and this new helper to print C++ async stack traces for all threads of
a given process.

Signed-off-by: Kenny Yu <kennyyu@fb.com>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20220124185403.468466-3-kennyyu@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2022-01-25 23:37:04 -08:00