Update dependecies

Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>

Cargo.toml

@@ -31,17 +31,19 @@ nix = "0.26"
 num_cpus = "1.16"
 perf-event-open-sys = "4.0"
 plain = "0.2.3"
-# pprof = { path = "../../Sandbox/Profiling/pprof-rs", features = [
-pprof = { git = "ssh://git@github.com/kakkoyun/py-spy.git", features = [
+
+# TODO(kakkoyun): Send a patch to upstream.
+pprof = { git = "ssh://git@github.com/kakkoyun/pprof-rs.git", features = [
+    # pprof = { path = "../../Sandbox/Profiling/pprof-rs", features = [
     "flamegraph",
     "inferno",
     "protobuf",
-    "protobuf-codec",
+    "protobuf-codec"
 ] }
 proc-maps = "0.3"
-# py-spy = { path = "../../Sandbox/Profilers/py-spy" }
 # TODO(kakkoyun): Send a patch to upstream.
 py-spy = { git = "ssh://git@github.com/kakkoyun/py-spy.git" }
+# py-spy = { path = "../../Sandbox/Profilers/py-spy" }
 remoteprocess = { version = "0.4.12", features = ["unwind"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
@@ -50,7 +52,7 @@ thiserror = "1.0"
 time = { version = "0.3.24", features = [
     "formatting",
     "local-offset",
-    "macros",
+    "macros"
 ] }
 
 [build-dependencies]

README.md

@@ -88,15 +88,15 @@ Kernel-space code (eBPF profiler): GNU General Public License, version 2
 - TODO(kakkoyun): Add sections from parca-agent!
 - TODO(kakkoyun): Add reference to bcc, bcc/granulate and linux/tool examples from facebook.
 
-## Features:
+## Features
 
 - Supports profiling Python processes running in Docker containers. Tested using official Python
   Docker images (`python:X.Y`).
 - Supports glibc- and musl-based environments.
 - Supports Python compiled in both PIE and non-PIE configurations.
 - Supports Python running standalone and as a library (linked with `libpythonX.Y`).
 
-## Limitations:
+## Limitations
 
 - Architecture: x86_64.
 - Linux kernel version: oldest version tested is 4.14. Versions 4.11-4.14 may work. Required for

src/py_perf.rs

@@ -13,7 +13,7 @@ use libbpf_rs::skel::{OpenSkel, SkelBuilder};
 use libbpf_rs::{MapFlags, PerfBufferBuilder, ProgramType};
 
 use anyhow::{bail, Context, Result};
-use crossbeam::channel::{bounded, select, tick, unbounded, Receiver, RecvError};
+use crossbeam::channel::{bounded, select, tick, unbounded, Receiver};
 use plain::Plain;
 use py_spy::version::Version;
 use serde_yaml;