Cost / Show Resource Usage Current Session
Show Resource Usage Current Session
Display CPU and memory usage statistics for the current session.
/cost /cost #!/bin/bash
# Show Resource Usage Current Session
/cost import subprocess
# Show Resource Usage Current Session
# Make sure to replace <placeholders> with actual values
def run_command():
cmd = [
"cost",
]
try:
print(f"Executing: {' '.join(cmd)}")
subprocess.run(cmd, check=True)
except subprocess.CalledProcessError as e:
print(f"Error: {e}")
except FileNotFoundError:
print("Error: cost not found. Please install it first.")
if __name__ == "__main__":
run_command() When To Use
During performance tuning efforts or troubleshooting resource bottlenecks in critical processes.
Pro Tip
Pair with --detailed flag for granular process insights; monitor multiple sessions simultaneously to identify heavy resource consumers.
Anatomy of Output
Understanding the result
CPU Usage: 75% by session ID 5678 Utilization CPU burden for the session in context.
Memory Usage: 512 MB Consumption Total memory consumption attributed to the session.
I/O Wait: 30% I/O Performance Percentage of I/O wait time in context.
Troubleshooting
Common pitfalls
Error: Unable to retrieve resource statistics
Solution: Check permissions for accessing resource metrics.
Error: No active sessions found
Solution: Ensure the command is executed within a valid session.
Error: Resource usage data not available
Solution: Run the command with sufficient privileges.
Command Breakdown
What each part is doing
-
/cost - Base Command
- The executable that performs this operation. Here it runs Cost before the shell applies any redirect operators.
Alternative Approaches
Comparable commands in other tools
Alternative system operations tools for the same job.