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cros_tracing_analyser: Fix unused Result warning

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BUG=none
TEST=cargo build

Change-Id: I144eec11637f3bb9a7bfa741a72a61d58b0f5f37
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/5000826
Auto-Submit: Keiichi Watanabe <keiichiw@chromium.org>
Commit-Queue: Keiichi Watanabe <keiichiw@chromium.org>
Reviewed-by: Morg <morg@google.com>
Reviewed-by: Ryuichiro Chiba <chibar@chromium.org>
This commit is contained in:
Keiichi Watanabe 2023-11-02 23:05:00 +09:00 committed by crosvm LUCI
parent 64aa6d408f
commit 316783a88b
1 changed files with 5 additions and 4 deletions
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9
tools/contrib/cros_tracing_analyser/src/main.rs
View file

@ -404,7 +404,7 @@ fn main() -> anyhow::Result<()> {
value: 0,
children: layer_data,
};
write_to_file(data, &output)
write_to_file(data, &output)?;
}
Mode::List(list) => {
let mut input = Input::new(&list.input)?;
@ -441,13 +441,13 @@ fn main() -> anyhow::Result<()> {
}
let histogram_data = stats.calculate_latency_data().histogram;
write_to_file(histogram_data, &output);
write_to_file(histogram_data, &output)?;
}
}
Ok(())
}
fn write_to_file<T: serde::Serialize>(data: T, output: &str) {
fn write_to_file<T: serde::Serialize>(data: T, output: &str) -> anyhow::Result<()> {
let mut fout = std::fs::OpenOptions::new()
.write(true)
.create(true)
@ -455,7 +455,8 @@ fn write_to_file<T: serde::Serialize>(data: T, output: &str) {
.open(&output)
.unwrap();
let serialized = serde_json::to_string(&data).unwrap();
fout.write_all(serialized.as_bytes());
fout.write_all(serialized.as_bytes())?;
Ok(())
}
#[cfg(test)]