diff options
Diffstat (limited to 'tools/sched_ext/scx_qmap.c')
| -rw-r--r-- | tools/sched_ext/scx_qmap.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/sched_ext/scx_qmap.c b/tools/sched_ext/scx_qmap.c index a2614994cfaa..a1123a17581b 100644 --- a/tools/sched_ext/scx_qmap.c +++ b/tools/sched_ext/scx_qmap.c @@ -20,7 +20,7 @@ const char help_fmt[] = "See the top-level comment in .bpf.c for more details.\n" "\n" "Usage: %s [-s SLICE_US] [-e COUNT] [-t COUNT] [-T COUNT] [-b COUNT]\n" -" [-d PID] [-p] [-v]\n" +" [-d PID] [-D LEN] [-p] [-v]\n" "\n" " -s SLICE_US Override slice duration\n" " -e COUNT Trigger scx_bpf_error() after COUNT enqueues\n" @@ -28,6 +28,8 @@ const char help_fmt[] = " -T COUNT Stall every COUNT'th kernel thread\n" " -b COUNT Dispatch upto COUNT tasks together\n" " -d PID Disallow a process from switching into SCHED_EXT (-1 for self)\n" +" -D LEN Set scx_exit_info.dump buffer length\n" +" -S Suppress qmap-specific debug dump\n" " -p Switch only tasks on SCHED_EXT policy intead of all\n" " -v Print libbpf debug messages\n" " -h Display this help and exit\n"; @@ -59,7 +61,7 @@ int main(int argc, char **argv) skel = SCX_OPS_OPEN(qmap_ops, scx_qmap); - while ((opt = getopt(argc, argv, "s:e:t:T:b:d:pvh")) != -1) { + while ((opt = getopt(argc, argv, "s:e:t:T:b:d:D:Spvh")) != -1) { switch (opt) { case 's': skel->rodata->slice_ns = strtoull(optarg, NULL, 0) * 1000; @@ -81,6 +83,12 @@ int main(int argc, char **argv) if (skel->rodata->disallow_tgid < 0) skel->rodata->disallow_tgid = getpid(); break; + case 'D': + skel->struct_ops.qmap_ops->exit_dump_len = strtoul(optarg, NULL, 0); + break; + case 'S': + skel->rodata->suppress_dump = true; + break; case 'p': skel->struct_ops.qmap_ops->flags |= SCX_OPS_SWITCH_PARTIAL; break; @@ -93,7 +101,7 @@ int main(int argc, char **argv) } } - SCX_OPS_LOAD(skel, qmap_ops, scx_qmap); + SCX_OPS_LOAD(skel, qmap_ops, scx_qmap, uei); link = SCX_OPS_ATTACH(skel, qmap_ops, scx_qmap); while (!exit_req && !UEI_EXITED(skel, uei)) { |