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Diffstat (limited to 'profiling/profile.sh')
| -rwxr-xr-x | profiling/profile.sh | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/profiling/profile.sh b/profiling/profile.sh deleted file mode 100755 index d0be9e2..0000000 --- a/profiling/profile.sh +++ /dev/null @@ -1,210 +0,0 @@ -#!/bin/bash - -# dprofile - Simple profile analysis script for dtail -# A lightweight wrapper around go tool pprof - -set -e - -# Colors -GREEN='\033[0;32m' -YELLOW='\033[1;33m' -RED='\033[0;31m' -NC='\033[0m' # No Color - -# Default values -TOP_N=10 -SORT_BY="flat" -LIST_MODE=false -PROFILE_PATH="" - -# Usage function -usage() { - echo "dprofile - Analyze pprof profiles" - echo "" - echo "Usage:" - echo " dprofile <profile> # Analyze a profile" - echo " dprofile -list [directory] # List profiles in directory" - echo " dprofile -top N <profile> # Show top N functions (default: 10)" - echo " dprofile -cum <profile> # Sort by cumulative value" - echo " dprofile -web <profile> # Open web browser with flame graph" - echo " dprofile -text <profile> # Full text report" - echo " dprofile -help # Show this help" - echo "" - echo "Examples:" - echo " dprofile profiles/dcat_cpu_*.prof" - echo " dprofile -top 20 -cum profiles/dgrep_mem_*.prof" - echo " dprofile -list profiles/" - echo " dprofile -web profiles/dmap_cpu_*.prof" - exit 1 -} - -# Parse arguments -while [[ $# -gt 0 ]]; do - case $1 in - -help|--help|-h) - usage - ;; - -list|--list) - LIST_MODE=true - shift - if [[ $# -gt 0 && ! "$1" =~ ^- ]]; then - PROFILE_DIR="$1" - shift - else - PROFILE_DIR="." - fi - ;; - -top|--top) - shift - TOP_N="$1" - shift - ;; - -cum|--cum) - SORT_BY="cum" - shift - ;; - -web|--web) - shift - if [[ $# -eq 0 ]]; then - echo "Error: -web requires a profile file" - exit 1 - fi - echo -e "${GREEN}Opening web browser for $1...${NC}" - echo "Press Ctrl+C to stop the server" - exec go tool pprof -http=:8080 "$1" - ;; - -text|--text) - shift - if [[ $# -eq 0 ]]; then - echo "Error: -text requires a profile file" - exit 1 - fi - exec go tool pprof -text "$1" - ;; - -*) - echo "Unknown option: $1" - usage - ;; - *) - PROFILE_PATH="$1" - shift - ;; - esac -done - -# List mode -if $LIST_MODE; then - echo -e "${GREEN}Profile files in $PROFILE_DIR:${NC}" - echo "" - - # Group by tool and type - declare -A profiles - - for file in "$PROFILE_DIR"/*.prof; do - if [[ -f "$file" ]]; then - basename=$(basename "$file") - # Extract tool and type (e.g., dcat_cpu -> "dcat cpu") - if [[ $basename =~ ^([^_]+)_([^_]+)_.*\.prof$ ]]; then - tool="${BASH_REMATCH[1]}" - type="${BASH_REMATCH[2]}" - key="$tool:$type" - - if [[ -z "${profiles[$key]}" ]]; then - profiles[$key]="$file" - else - profiles[$key]="${profiles[$key]}|$file" - fi - fi - fi - done - - # Display grouped profiles - current_tool="" - for key in $(echo "${!profiles[@]}" | tr ' ' '\n' | sort); do - IFS=':' read -r tool type <<< "$key" - - if [[ "$tool" != "$current_tool" ]]; then - [[ -n "$current_tool" ]] && echo - echo -e "${YELLOW}$tool profiles:${NC}" - current_tool="$tool" - fi - - echo " $type:" - IFS='|' read -ra files <<< "${profiles[$key]}" - for file in "${files[@]}"; do - size=$(ls -lh "$file" 2>/dev/null | awk '{print $5}') - timestamp=$(basename "$file" | grep -oE '[0-9]{8}_[0-9]{6}' || echo "unknown") - echo " $(basename "$file") ($size) - $timestamp" - done - done - - [[ -z "$current_tool" ]] && echo " No profile files found in $PROFILE_DIR" - exit 0 -fi - -# Check if profile path provided -if [[ -z "$PROFILE_PATH" ]]; then - usage -fi - -# Check if file exists -if [[ ! -f "$PROFILE_PATH" ]]; then - echo -e "${RED}Error: Profile file not found: $PROFILE_PATH${NC}" - exit 1 -fi - -# Detect profile type -PROFILE_TYPE="unknown" -if go tool pprof -raw "$PROFILE_PATH" 2>/dev/null | grep -q "samples/count"; then - PROFILE_TYPE="cpu" -elif go tool pprof -raw "$PROFILE_PATH" 2>/dev/null | grep -q "alloc_space"; then - PROFILE_TYPE="memory" -elif go tool pprof -raw "$PROFILE_PATH" 2>/dev/null | grep -q "inuse_space"; then - PROFILE_TYPE="memory" -fi - -# Analyze profile -echo -e "${GREEN}Profile Analysis: $PROFILE_PATH${NC}" -echo "Type: $PROFILE_TYPE" -echo "" - -# Get top functions -echo "Top $TOP_N functions (sorted by $SORT_BY):" -echo "================================================================" - -# Use different flags based on sort order -if [[ "$SORT_BY" == "cum" ]]; then - echo "# Command: go tool pprof -top -cum -nodecount=$TOP_N $PROFILE_PATH" - go tool pprof -top -cum -nodecount="$TOP_N" "$PROFILE_PATH" 2>/dev/null | \ - grep -E "^[[:space:]]*[0-9]+" | head -n "$TOP_N" || true -else - echo "# Command: go tool pprof -top -nodecount=$TOP_N $PROFILE_PATH" - go tool pprof -top -nodecount="$TOP_N" "$PROFILE_PATH" 2>/dev/null | \ - grep -E "^[[:space:]]*[0-9]+" | head -n "$TOP_N" || true -fi - -echo "" - -# Provide helpful tips based on profile type -if [[ "$PROFILE_TYPE" == "cpu" ]]; then - echo -e "${YELLOW}CPU Profile Tips:${NC}" - echo "- flat: time spent in the function itself" - echo "- cum: time spent in the function and its callees" - echo "- Focus on functions with high flat% for optimization" - echo "" - echo "Interactive exploration:" - echo " go tool pprof $PROFILE_PATH" - echo "" - echo "Generate flame graph:" - echo " dprofile -web $PROFILE_PATH" -elif [[ "$PROFILE_TYPE" == "memory" ]]; then - echo -e "${YELLOW}Memory Profile Tips:${NC}" - echo "- Shows memory allocations by function" - echo "- Focus on unexpected allocations in hot paths" - echo "" - echo "View all allocations:" - echo " go tool pprof -alloc_space $PROFILE_PATH" - echo "" - echo "View in-use memory:" - echo " go tool pprof -inuse_space $PROFILE_PATH" -fi
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