C Class / Run Command With Custom Io Scheduling Class And Priority
Run Command With Custom Io Scheduling Class And Priority
C Class command syntax to run command with custom io scheduling class and priority. Copyable examples, output expectations, and common mistakes.
$
Terminal ionice -c <scheduling_class> -n <priority> <command> ionice -c <scheduling_class> -n <priority> <command> #!/bin/bash
# Run Command With Custom Io Scheduling Class And Priority
ionice {{[-c|--class]}} {{scheduling_class}} {{[-n|--classdata]}} {{priority}} {{command}} import subprocess
# Run Command With Custom Io Scheduling Class And Priority
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"c---class",
"-c",
"<scheduling_class>",
"-n",
"<priority>",
"<command>"
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: c---class not found. Please install it first.")
if __name__ == "__main__":
run_command() Command Breakdown
What each part is doing
-
ionice - Base Command
- The executable that performs this operation. Here it runs C Class before the shell applies any redirect operators.
-
-c - c| class
- The value supplied for c| class.
-
<scheduling_class> - scheduling class
- The value supplied for scheduling class.
-
-n - n| classdata
- The value supplied for n| classdata.
-
<priority> - priority
- The value supplied for priority.
-
<command> - command
- The value supplied for command.
-
-c - Command Option
- Tool-specific option used by this command invocation.
-
-n - Command Option
- Tool-specific option used by this command invocation.
Alternative Approaches
Comparable commands in other tools
Alternative tools for a closely related operation.
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