tools/examples: hardcode #!/usr/bin/python shebang

examples/hello_world.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/distributed_bridge/main.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/distributed_bridge/tunnel.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/distributed_bridge/tunnel_mesh.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/dns_matching/dns_matching.py

-#!/usr/bin/env python
+#!/usr/bin/python
 
 from __future__ import print_function
 from bcc import BPF

examples/networking/http_filter/http-parse-complete.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 #Bertrone Matteo - Polytechnic of Turin
 #November 2015

examples/networking/http_filter/http-parse-simple.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 #Bertrone Matteo - Polytechnic of Turin
 #November 2015

examples/networking/neighbor_sharing/tc_neighbor_sharing.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/simple_tc.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/tc_perf_event.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # tc_perf_event.py  Output skb and meta data through perf event
 #

examples/networking/tunnel_monitor/main.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/tunnel_monitor/monitor.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/vlan_filter/data-plane-tracing.py

-#!/usr/bin/env python
+#!/usr/bin/python
 from __future__ import print_function
 from bcc import BPF
 

examples/networking/vlan_learning/vlan_learning.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/networking/xdp/xdp_drop_count.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # xdp_drop_count.py Drop incoming packets on XDP layer and count for which
 #                   protocol type

examples/networking/xdp/xdp_macswap_count.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # xdp_macswap_count.py Swap Source and Destination MAC addresses on
 #                      incoming packets and transmit packets back on

examples/networking/xdp/xdp_redirect_cpu.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # xdp_redirect_cpu.py Redirect the incoming packet to the specific CPU
 #

examples/networking/xdp/xdp_redirect_map.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # xdp_redirect_map.py Redirect the incoming packet to another interface
 #                     with the helper: bpf_redirect_map()

examples/tracing/bitehist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # bitehist.py	Block I/O size histogram.
 #		For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/disksnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # disksnoop.py	Trace block device I/O: basic version of iosnoop.
 #		For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/hello_fields.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # This is a Hello World example that formats output as fields.
 

examples/tracing/hello_perf_output.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # This is a Hello World example that uses BPF_PERF_OUTPUT.
 

examples/tracing/kvm_hypercall.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # kvm_hypercall.py
 #

examples/tracing/mallocstacks.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # mallocstacks  Trace malloc() calls in a process and print the full
 #               stack trace for all callsites.

examples/tracing/mysqld_query.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # mysqld_query    Trace MySQL server queries. Example of USDT tracing.
 #                 For Linux, uses BCC, BPF. Embedded C.

examples/tracing/nodejs_http_server.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # nodejs_http_server    Basic example of node.js USDT tracing.
 #                       For Linux, uses BCC, BPF. Embedded C.

examples/tracing/stacksnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # stacksnoop    Trace a kernel function and print all kernel stack traces.
 #               For Linux, uses BCC, eBPF, and currently x86_64 only. Inline C.

examples/tracing/strlen_count.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # strlen_count  Trace strlen() and print a frequency count of strings.
 #               For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/strlen_hist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 
 #
 # strlen_hist.py   Histogram of system-wide strlen return values

examples/tracing/strlen_snoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # strlen_snoop  Trace strlen() library function for a given PID.
 #               For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/sync_timing.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # sync_timing.py    Trace time between syncs.
 #                   For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/task_switch.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/tracing/tcpv4connect.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # tcpv4connect	Trace TCP IPv4 connect()s.
 #		For Linux, uses BCC, eBPF. Embedded C.

examples/tracing/trace_fields.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/tracing/trace_perf_output.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # Copyright (c) PLUMgrid, Inc.
 # Licensed under the Apache License, Version 2.0 (the "License")
 

examples/tracing/urandomread-explicit.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # urandomread-explicit  Example of instrumenting a kernel tracepoint.
 #                       For Linux, uses BCC, BPF. Embedded C.

examples/tracing/urandomread.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # urandomread  Example of instrumenting a kernel tracepoint.
 #              For Linux, uses BCC, BPF. Embedded C.

examples/tracing/vfsreadlat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # vfsreadlat.py		VFS read latency distribution.
 #			For Linux, uses BCC, eBPF. See .c file.

examples/usdt_sample/scripts/lat_avg.py

-#!/usr/bin/env python
+#!/usr/bin/python
 import argparse
 from time import sleep, strftime
 from sys import argv

examples/usdt_sample/scripts/lat_dist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 import argparse
 from time import sleep, strftime
 from sys import argv

examples/usdt_sample/scripts/latency.py

-#!/usr/bin/env python
+#!/usr/bin/python
 import argparse
 from time import sleep
 from sys import argv

tools/argdist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # argdist   Trace a function and display a distribution of its
 #           parameter values as a histogram or frequency count.

tools/bashreadline.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # bashreadline  Print entered bash commands from all running shells.
 #               For Linux, uses BCC, eBPF. Embedded C.

tools/biolatency.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # biolatency    Summarize block device I/O latency as a histogram.

tools/biosnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # biosnoop  Trace block device I/O and print details including issuing PID.

tools/biotop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # biotop  block device (disk) I/O by process.

tools/bitesize.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # bitehist.py   Block I/O size histogram.
 #               For Linux, uses BCC, eBPF. See .c file.

tools/bpflist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # bpflist   Display processes currently using BPF programs and maps,
 #           pinned BPF programs and maps, and enabled probes.

tools/btrfsdist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # btrfsdist  Summarize btrfs operation latency.

tools/btrfsslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # btrfsslower  Trace slow btrfs operations.

tools/cachestat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # cachestat     Count cache kernel function calls.
 #               For Linux, uses BCC, eBPF. See .c file.

tools/cachetop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # cachetop      Count cache kernel function calls per processes

tools/capable.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # capable   Trace security capabilitiy checks (cap_capable()).

tools/cpudist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # cpudist   Summarize on- and off-CPU time per task as a histogram.

tools/cpuunclaimed.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # cpuunclaimed   Sample CPU run queues and calculate unclaimed idle CPU.

tools/criticalstat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # criticalstat  Trace long critical sections (IRQs or preemption disabled)

tools/dbslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # dbslower      Trace MySQL and PostgreSQL queries slower than a threshold.
 #

tools/dbstat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # dbstat        Display a histogram of MySQL and PostgreSQL query latencies.
 #

tools/dcsnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # dcsnoop   Trace directory entry cache (dcache) lookups.

tools/dcstat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # dcstat   Directory entry cache (dcache) stats.

tools/deadlock_detector.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # deadlock_detector  Detects potential deadlocks (lock order inversions)
 #                    on a running process. For Linux, uses BCC, eBPF.

tools/execsnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # execsnoop Trace new processes via exec() syscalls.

tools/ext4dist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # ext4dist  Summarize ext4 operation latency.

tools/ext4slower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # ext4slower  Trace slow ext4 operations.

tools/filelife.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # filelife    Trace the lifespan of short-lived files.

tools/fileslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # fileslower  Trace slow synchronous file reads and writes.

tools/filetop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # filetop  file reads and writes by process.

tools/funccount.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # funccount Count functions, tracepoints, and USDT probes.

tools/funclatency.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # funclatency   Time functions and print latency as a histogram.

tools/funcslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # funcslower  Trace slow kernel or user function calls.

tools/gethostlatency.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # gethostlatency  Show latency for getaddrinfo/gethostbyname[2] calls.
 #                 For Linux, uses BCC, eBPF. Embedded C.

tools/hardirqs.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # hardirqs  Summarize hard IRQ (interrupt) event time.

tools/inject.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # This script generates a BPF program with structure inspired by trace.py. The
 # generated program operates on PID-indexed stacks. Generally speaking,

tools/killsnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # killsnoop Trace signals issued by the kill() syscall.

tools/lib/ucalls.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # ucalls  Summarize method calls in high-level languages and/or system calls.

tools/lib/uflow.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # uflow  Trace method execution flow in high-level languages.

tools/lib/ugc.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # ugc  Summarize garbage collection events in high-level languages.

tools/lib/uobjnew.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # uobjnew  Summarize object allocations in high-level languages.

tools/lib/ustat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # ustat  Activity stats from high-level languages, including exceptions,

tools/lib/uthreads.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # uthreads  Trace thread creation/destruction events in high-level languages.

tools/llcstat.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # llcstat.py Summarize cache references and cache misses by PID.
 #            Cache reference and cache miss are corresponding events defined in

tools/mdflush.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # mdflush  Trace md flush events.

tools/memleak.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # memleak   Trace and display outstanding allocations to detect
 #           memory leaks in user-mode processes and the kernel.

tools/mountsnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # mountsnoop Trace mount() and umount syscalls.
 #            For Linux, uses BCC, eBPF. Embedded C.

tools/mysqld_qslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # mysqld_qslower    MySQL server queries slower than a threshold.
 #                   For Linux, uses BCC, BPF. Embedded C.

tools/nfsdist.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # nfsdist   Summarize NFS operation latency

tools/nfsslower.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # nfsslower     Trace slow NFS operations

tools/offcputime.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # offcputime    Summarize off-CPU time by stack trace
 #               For Linux, uses BCC, eBPF.

tools/offwaketime.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # offwaketime   Summarize blocked time by kernel off-CPU stack + waker stack
 #               For Linux, uses BCC, eBPF.

tools/old/bashreadline.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # bashreadline  Print entered bash commands from all running shells.
 #               For Linux, uses BCC, eBPF. Embedded C.

tools/old/biosnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # biosnoop  Trace block device I/O and print details including issuing PID.

tools/old/filelife.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # filelife    Trace the lifespan of short-lived files.

tools/old/gethostlatency.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # gethostlatency  Show latency for getaddrinfo/gethostbyname[2] calls.
 #                 For Linux, uses BCC, eBPF. Embedded C.

tools/old/killsnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # killsnoop Trace signals issued by the kill() syscall.

tools/old/memleak.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # memleak   Trace and display outstanding allocations to detect
 #           memory leaks in user-mode processes and the kernel.

tools/old/offcputime.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # offcputime    Summarize off-CPU time by kernel stack trace
 #               For Linux, uses BCC, eBPF.

tools/old/offwaketime.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # offwaketime   Summarize blocked time by kernel off-CPU stack + waker stack
 #               For Linux, uses BCC, eBPF.

tools/old/oomkill.py

-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # oomkill   Trace oom_kill_process(). For Linux, uses BCC, eBPF.
 #

tools/old/opensnoop.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # opensnoop Trace open() syscalls.

tools/old/profile.py

-#!/usr/bin/env python
+#!/usr/bin/python
 # @lint-avoid-python-3-compatibility-imports
 #
 # profile  Profile CPU usage by sampling stack traces at a timed interval.