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bpf: use map in nvmf_path.bt

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Modify nvmf_path.bt to collect the (ip, port)
tuples in a map, and then print the map every
second. This generates a lot less output than
printing the path for every single I/O.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I8f655ed7a4558735f51ddf1169134fbf6950cc1c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10616
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Reviewed-by: Monica Kenguva <monica.kenguva@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Jim Harris 2021-12-09 20:25:21 +00:00
parent 1b3d4cecb3
commit 76159db955
1 changed files with 6 additions and 1 deletions
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7
scripts/bpf/nvmf_path.bt
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@ -1,3 +1,8 @@
usdt:__EXE__:nvmf_request_io_exec_path {
printf("traddr:%s trsvcid:%s\n", str(arg2), str(arg3));
@path[str(arg2), str(arg3)] = count();
}
interval:s:1 {
print(@path);
clear(@path);
}