Hi Brian,
I am running 1.2.2 yes.
Regarding strace, would you have any keyword i could grep to identify the
permission issue ? the output is enormous and though i can see some error
when i grep on "file" i am not sure those would explain why I receive
metric for one disk and not the other one.
here is an example of the output :
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu13/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu13/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu14/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu15/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu2/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu3/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu4/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu5/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu6/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu7/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu7/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu8/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu8/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu9/thermal_throttle/core_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26439] openat(AT_FDCWD,
"/sys/devices/system/cpu/cpu9/thermal_throttle/package_throttle_count",
O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 26434] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26441] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26438] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26445] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26438] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26438] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26434] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26433] <... openat resumed> ) = -1 ENOENT (No such file or
directory)
[pid 26445] <... newfstatat resumed> 0xc000606858, 0) = -1 ENOENT (No such
file or directory)
also as explained, it just can't get the info on a give disk.
On Saturday, August 14, 2021 at 7:22:05 PM UTC+7 Brian Candler wrote:
> I presume you're running the latest version 1.2.2?
>
> Maybe strace will help you understand what's going on:
>
> strace -f -s128 -p <pid-of-node-exporter> 2>strace.out
>
> You can see which files it's trying to access and whether it's getting
> permission errors.
>
> FWIW, I just tried running node_exporter as root and normal users, and I
> got 3906 and 3900 lines of metrics respectively. The only ones which were
> missing were:
>
> # HELP node_rapl_core_joules_total Current RAPL core value in joules
> # TYPE node_rapl_core_joules_total counter
> node_rapl_core_joules_total{index="0"} 79345.889568
> # HELP node_rapl_package_joules_total Current RAPL package value in joules
> # TYPE node_rapl_package_joules_total counter
> node_rapl_package_joules_total{index="0"} 129630.134976
>
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