On Wed, 5 Aug 2026 17:10:55 +0200 Tomas Glozar <[email protected]> wrote:
> Steven, > > The following changes since commit 075b74841bd0065a3bda3440873c747938e69b68: > > Linux 7.2-rc6 (2026-08-02 16:24:24 -0700) > > are available in the Git repository at: > > https://git.kernel.org/pub/scm/linux/kernel/git/tglozar/linux.git > tags/rtla-v7.3 > > for you to fetch changes up to 0ad45018ace734e3a21c8b15280df65b429135d1: > > rtla/cli: Unify and improve handling of invalid option arguments > (2026-08-05 10:14:40 +0200) I just tested this on my VM and have the following results from "make check": Auto-detecting system features: ... libtraceevent: [ on ] ... libtracefs: [ on ] ... libcpupower: [ on ] ... libcheck: [ OFF ] ... libbpf: [ OFF ] ... clang-bpf-co-re: [ on ] ... bpftool-skeletons: [ on ] libcheck is missing, building without unit tests support. Please install check-devel/check libbpf is missing, building without BPF skeleton support. Please install libbpf-dev/libbpf-devel [..] tests/timerlat.t .. 1..75 [..] not ok 20 - top verify -c/--cpus # Output match failed: "^Affinity of threads: 0$" # Affinity of threads: # Timer Latency # 0 00:00:04 | IRQ Timer Latency (us) | Thread Timer Latency (us) | Ret user Timer Latency (us) # CPU COUNT | cur min avg max | cur min avg max | cur min avg max # 0 #2 | 72 70 71 72 | 128 128 128 129 | 154 154 154 154 # ---------------|----------------------------------------|----------------------------------------|--------------------------------------- # ALL #2 e0 | 70 71 72 | 128 128 129 | 154 154 154 # timerlat hit stop tracing # ## CPU 0 hit stop tracing, analyzing it ## # IRQ handler delay: (exit from idle) 58.28 us (45.18 %) # IRQ latency: 72.60 us # Timerlat IRQ duration: 32.63 us (25.29 %) # Blocking thread: 22.43 us (17.39 %) # swapper/0:0 22.43 us # ------------------------------------------------------------------------ # Thread latency: 129.00 us (100%) # # Max timerlat IRQ latency from idle: 72.60 us in cpu 0 # # exit code 2 not ok 21 - hist verify -c/--cpus # Output match failed: "^Affinity of threads: 0$" # Affinity of threads: # # RTLA timerlat histogram # # Time unit is microseconds (us) # # Duration: 0 00:00:03 # Index IRQ-000 Thr-000 Usr-000 # 80 1 0 0 # 81 1 0 0 # 139 0 2 0 # 165 0 0 1 # over: 0 0 0 # count: 2 2 1 # min: 80 139 165 # avg: 80 139 165 # max: 81 139 165 # ALL: IRQ Thr Usr # count: 2 2 1 # min: 80 139 165 # avg: 80 139 165 # max: 81 139 165 # timerlat hit stop tracing # ## CPU 0 hit stop tracing, analyzing it ## # IRQ handler delay: (exit from idle) 67.05 us (48.08 %) # IRQ latency: 81.97 us # Timerlat IRQ duration: 33.38 us (23.94 %) # Blocking thread: 22.95 us (16.46 %) # swapper/0:0 22.95 us # ------------------------------------------------------------------------ # Thread latency: 139.45 us (100%) # # Max timerlat IRQ latency from idle: 81.97 us in cpu 0 # # exit code 2 ok 22 - top verify -H/--house-keeping ok 23 - hist verify -H/--house-keeping ok 24 - top verify -k/--kernel-threads ok 25 - hist verify -k/--kernel-threads not ok 26 - top verify -u/--user-threads # Output match failed: "0 kernel threads, 1 user threads" # 0 kernel threads, 0 user threads # Timer Latency # 0 00:00:04 | IRQ Timer Latency (us) | Thread Timer Latency (us) | Ret user Timer Latency (us) # CPU COUNT | cur min avg max | cur min avg max | cur min avg max # 0 #2 | 90 78 84 90 | 147 136 141 147 | 163 163 163 163 # ---------------|----------------------------------------|----------------------------------------|--------------------------------------- # ALL #2 e0 | 78 84 90 | 136 141 147 | 163 163 163 # timerlat hit stop tracing # ## CPU 0 hit stop tracing, analyzing it ## # IRQ handler delay: (exit from idle) 75.58 us (51.26 %) # IRQ latency: 90.24 us # Timerlat IRQ duration: 33.32 us (22.60 %) # Blocking thread: 23.06 us (15.64 %) # swapper/0:0 23.06 us # ------------------------------------------------------------------------ # Thread latency: 147.46 us (100%) # # Max timerlat IRQ latency from idle: 90.24 us in cpu 0 # # exit code 2 not ok 27 - hist verify -u/--user-threads # Output match failed: "0 kernel threads, 1 user threads" # 0 kernel threads, 0 user threads # # RTLA timerlat histogram # # Time unit is microseconds (us) # # Duration: 0 00:00:05 # Index IRQ-000 Thr-000 Usr-000 # 75 1 0 0 # 83 1 0 0 # 133 0 1 0 # 140 0 1 0 # 160 0 0 1 # over: 0 0 0 # count: 2 2 1 # min: 75 133 160 # avg: 79 136 160 # max: 83 140 160 # ALL: IRQ Thr Usr # count: 2 2 1 # min: 75 133 160 # avg: 79 136 160 # max: 83 140 160 # timerlat hit stop tracing # ## CPU 0 hit stop tracing, analyzing it ## # IRQ handler delay: (exit from idle) 68.78 us (48.91 %) # IRQ latency: 83.35 us # Timerlat IRQ duration: 33.13 us (23.56 %) # Blocking thread: 22.89 us (16.28 %) # swapper/0:0 22.89 us # ------------------------------------------------------------------------ # Thread latency: 140.62 us (100%) # # Max timerlat IRQ latency from idle: 83.35 us in cpu 0 # # exit code 2 [..] -- Steve
