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ab8684b8ce
mirror_ubuntu-kernels/tools/lib/bpf
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Jon Doron ab8684b8ce libbpf: Add sample_period to creation options 
Add option to set when the perf buffer should wake up, by default the
perf buffer becomes signaled for every event that is being pushed to it.

In case of a high throughput of events it will be more efficient to wake
up only once you have X events ready to be read.

So your application can wakeup once and drain the entire perf buffer.

Signed-off-by: Jon Doron <jond@wiz.io>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230207081916.3398417-1-arilou@gmail.com
2023-02-08 15:27:39 -08:00
..
.gitignore libbpf: Make libbpf_version.h non-auto-generated 2021-09-13 15:36:47 -07:00
bpf_core_read.h libbpf: Fix BPF_PROBE_READ{_STR}_INTO() on s390x 2023-01-28 12:45:14 -08:00
bpf_endian.h libbpf: Make bpf_endian co-exist with vmlinux.h 2020-07-01 09:06:12 +02:00
bpf_gen_internal.h Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-10 15:56:13 -08:00
bpf_helpers.h libbpf: Simplify barrier_var() 2023-01-28 12:45:14 -08:00
bpf_prog_linfo.c libbpf: Streamline error reporting for high-level APIs 2021-05-25 17:32:35 -07:00
bpf_tracing.h libbpf: Clean up now not needed __PT_PARM{1-6}_SYSCALL_REG defaults 2023-01-23 20:53:01 +01:00
bpf.c libbpf: Introduce bpf_link_get_fd_by_id_opts() 2022-10-10 16:49:20 -07:00
bpf.h libbpf: Avoid enum forward-declarations in public API in C++ mode 2022-11-30 22:56:47 +01:00
btf_dump.c libbpf: Fix btf_dump's packed struct determination 2022-12-15 22:50:17 +01:00
btf.c libbpf: Return -ENODATA for missing btf section 2023-01-03 14:27:42 -08:00
btf.h libbpf: Don't require full struct enum64 in UAPI headers 2022-09-27 20:45:17 +02:00
Build libbpf: move xsk.{c,h} into selftests/bpf 2022-06-28 13:13:32 -07:00
gen_loader.c libbpf: fix an snprintf() overflow check 2022-07-19 10:47:31 -07:00
hashmap.c libbpf: Hashmap interface update to allow both long and void* keys/values 2022-11-09 20:45:14 -08:00
hashmap.h libbpf: Hashmap.h update to fix build issues using LLVM14 2022-11-11 10:24:23 -08:00
libbpf_common.h libbpf: cleanup LIBBPF_DEPRECATED_SINCE supporting macros for v0.x 2022-06-28 13:13:33 -07:00
libbpf_errno.c libbpf: Optimized return value in libbpf_strerror when errno is libbpf errno 2022-12-14 18:39:33 +01:00
libbpf_internal.h libbpf: Poison strlcpy() 2023-01-06 16:57:23 +01:00
libbpf_legacy.h libbpf: Clean up deprecated and legacy aliases 2022-08-17 22:42:56 +02:00
libbpf_probes.c libbpf: Correctly set the kernel code version in Debian kernel. 2023-02-06 14:30:50 -08:00
libbpf_version.h libbpf: start v1.2 development cycle 2022-12-21 11:18:50 -08:00
libbpf.c libbpf: Add sample_period to creation options 2023-02-08 15:27:39 -08:00
libbpf.h libbpf: Add sample_period to creation options 2023-02-08 15:27:39 -08:00
libbpf.map libbpf: start v1.2 development cycle 2022-12-21 11:18:50 -08:00
libbpf.pc.template libbpf: Add zlib as a dependency in pkg-config template 2019-12-16 14:55:29 -08:00
linker.c libbpf: Add enum64 support for bpf linking 2022-06-07 10:20:43 -07:00
Makefile Merge remote-tracking branch 'torvalds/master' into perf/core 2022-12-16 09:53:53 -03:00
netlink.c libbpf: Always use libbpf_err to return an error in bpf_xdp_query() 2023-02-07 22:56:11 +01:00
nlattr.c libbpf: Fix overrun in netlink attribute iteration 2022-09-30 15:16:22 -07:00
nlattr.h libbpf: add API to get XDP/XSK supported features 2023-02-02 20:48:24 -08:00
relo_core.c bpf: Correctly propagate errors up from bpf_core_composites_match 2022-07-08 15:31:43 -07:00
relo_core.h bpf, libbpf: Add type match support 2022-07-05 21:14:25 -07:00
ringbuf.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-11-29 13:04:52 -08:00
skel_internal.h libbpf: add map_get_fd_by_id and map_delete_elem in light skeleton 2022-08-25 18:52:29 -07:00
str_error.c libbpf: Poison kernel-only integer types 2020-01-10 10:38:00 -08:00
str_error.h libbpf: relicense libbpf as LGPL-2.1 OR BSD-2-Clause 2018-10-08 10:09:48 +02:00
strset.c libbpf: Hashmap interface update to allow both long and void* keys/values 2022-11-09 20:45:14 -08:00
strset.h libbpf: Extract internal set-of-strings datastructure APIs 2021-03-18 16:14:22 -07:00
usdt.bpf.h libbpf: Fix unbounded memory access in bpf_usdt_arg() 2023-01-28 12:45:14 -08:00
usdt.c libbpf: Parse usdt args without offset on x86 (e.g. 8@(%rsp)) 2022-12-06 16:16:50 -08:00