On some Linux distributions (ubuntu 20.04 for sure), the energy counters files that the PowercapRAPL sensor uses, are owned by root. (since late 2020)
To ensure this is your issue and fix that quickly you can run the init.sh script:
Then run scaphandre. If it does not work, the issue is somewhere else.
It can mean that your cpu doesn't support RAPL. Please refer to the compatibility section to be sure.
If you are in a situation comparable to this one, you may need to install additional packages.
On ubuntu 20.01 and 20.10, try to install
linux-modules-extra-$(uname-r) with apt. Then you should be able to
scaphandre::sensors::powercap_rapl: Couldn't find intel_rapl modules. thread 'main' panicked at 'Trick: if you are running on a vm, do not forget to use --vm parameter invoking scaphandre at the command line', src/sensors/mod.rs:238:18 stack backtrace: 0: rust_begin_unwind at /build/rust/src/rustc-1.49.0-src/library/std/src/panicking.rs:495:5 1: core::panicking::panic_fmt at /build/rust/src/rustc-1.49.0-src/library/core/src/panicking.rs:92:14 2: core::option::expect_failed at /build/rust/src/rustc-1.49.0-src/library/core/src/option.rs:1260:5 3: core::option::Option<T>::expect at /build/rust/src/rustc-1.49.0-src/library/core/src/option.rs:349:21 4: scaphandre::sensors::Topology::add_cpu_cores at ./src/sensors/mod.rs:234:26 5: <scaphandre::sensors::powercap_rapl::PowercapRAPLSensor as scaphandre::sensors::Sensor>::generate_topology at ./src/sensors/powercap_rapl.rs:106:9 6: <scaphandre::sensors::powercap_rapl::PowercapRAPLSensor as scaphandre::sensors::Sensor>::get_topology at ./src/sensors/powercap_rapl.rs:112:24 7: scaphandre::exporters::stdout::StdoutExporter::new at ./src/exporters/stdout.rs:51:30 8: scaphandre::run at ./src/lib.rs:60:28 9: scaphandre::main at ./src/main.rs:91:5 10: core::ops::function::FnOnce::call_once at /build/rust/src/rustc-1.49.0-src/library/core/src/ops/function.rs:227:5 note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
We verified that scaphandre (and especially the powercap_rapl sensor) works on AMD Zen processors with a Linux kernel 5.11 or later. Before that kernel version, it won't probably work as the drivers needed to feed powercap with rapl data are not present.
error: linker `cc` not found | = note: No such file or directory (os error 2) error: aborting due to previous error error: could not compile `log`
You need compiling tooling. On Ubuntu/Debian, run:
sudo apt install build-essential