]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 2c79911) | patch
bpftool: Handle EAGAIN error code properly in pids collection
authorYonghong Song <yhs@fb.com>
Tue, 18 Aug 2020 22:23:12 +0000 (15:23 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Wed, 19 Aug 2020 00:36:23 +0000 (17:36 -0700)
commit97623ea23f6c9066e389fc60d7da517ba572c8d4
tree586aac21b3840b28a2ad2c76e13dfe7c415b2970tree | snapshot
parent2c79911b138b8d185937324c318a98fa42cba1cfcommit | diff
bpftool: Handle EAGAIN error code properly in pids collection

When the error code is EAGAIN, the kernel signals the user
space should retry the read() operation for bpf iterators.
Let us do it.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200818222312.2181675-1-yhs@fb.com
tools/bpf/bpftool/pids.c diff | blob | history
Linux Kernel Source Tree.