twx-linux/tools
Ravi Bangoria fa1332a801 perf mem/c2c amd: Add ldlat support
'perf mem/c2c' uses IBS Op PMU on AMD platforms.

IBS Op PMU on Zen5 uarch has added support for Load Latency filtering.

Implement 'perf mem/c2c' --ldlat using IBS Op Load Latency filtering
capability.

Some subtle differences between AMD and other arch:

o --ldlat is disabled by default on AMD

o Supported values are 128 to 2048.

Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Ananth Narayan <ananth.narayan@amd.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Joe Mario <jmario@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Santosh Shukla <santosh.shukla@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20250429035938.1301-4-ravi.bangoria@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2025-04-29 22:30:46 -03:00
..
accounting
arch tools headers: Update the arch/x86/lib/memset_64.S copy with the kernel sources 2025-04-10 09:28:25 -07:00
bootconfig
bpf bpf-next-6.15 2025-03-30 12:43:03 -07:00
build tools build: Don't show libbfd build status as it is opt-in 2025-04-10 10:45:30 -03:00
certs
cgroup
counter
crypto
debugging
firewire
firmware
gpio
hv
iio
include tools headers: Update the arch/x86/lib/memset_64.S copy with the kernel sources 2025-04-10 09:28:25 -07:00
kvm/kvm_stat
laptop
leds
lib - The 7 patch series "powerpc/crash: use generic crashkernel 2025-04-01 10:06:52 -07:00
memory-model
mm
net
objtool objtool: Fix false-positive "ignoring unreachables" warning 2025-04-10 22:55:00 +02:00
pcmcia
perf perf mem/c2c amd: Add ldlat support 2025-04-29 22:30:46 -03:00
power Turbostat 2025.05.06 2025-04-06 12:32:43 -07:00
rcu
sched_ext tools/sched_ext: Sync with scx repo 2025-04-02 09:08:33 -10:00
scripts tools headers: Update the syscall table with the kernel sources 2025-04-10 09:28:24 -07:00
sound
spi
testing memblock: fix build of memblock test 2025-04-13 07:11:33 -07:00
thermal
time
tracing tracing tooling updates for 6.15: 2025-03-27 17:03:01 -07:00
usb
verification tracing tooling updates for 6.15: 2025-03-27 17:03:01 -07:00
virtio
wmi
workqueue
writeback
Makefile