📦 bpfcc-tools

A

• argdist-bpfcc(8)Trace a function and display a histogram or frequency count of its parameter values. Uses Linux eBPF/bcc.✨

B

• bashreadline-bpfcc(8)Print entered bash commands system wide. Uses Linux eBPF/bcc.✨
• bindsnoop-bpfcc(8)Trace bind() system calls.✨
• biolatency-bpfcc(8)Summarize block device I/O latency as a histogram.✨
• biolatpcts-bpfcc(8)Monitor IO latency distribution of a block device.✨
• biopattern-bpfcc(8)Identify random/sequential disk access patterns.✨
• biosnoop-bpfcc(8)Trace block device I/O and print details incl. issuing PID.✨
• biotop-bpfcc(8)Block device (disk) I/O by process top.✨
• bitesize-bpfcc(8)Summarize block device I/O size as a histogram - Linux eBPF/bcc.✨
• bpflist-bpfcc(8)Display processes currently using BPF programs and maps.✨
• btrfsdist-bpfcc(8)Summarize btrfs operation latency. Uses Linux eBPF/bcc.✨
• btrfsslower-bpfcc(8)Trace slow btrfs file operations, with per-event details.✨

C

• cachestat-bpfcc(8)Statistics for linux page cache hit/miss ratios. Uses Linux eBPF/bcc.✨
• cachetop-bpfcc(8)Statistics for linux page cache hit/miss ratios per processes. Uses Linux eBPF/bcc.✨
• capable-bpfcc(8)Trace security capability checks (cap_capable()).✨
• cobjnew-bpfcc(8)Summarize object allocations in high-level languages.✨
• compactsnoop-bpfcc(8)Trace compact zone events. Uses Linux eBPF/bcc.✨
• cpudist-bpfcc(8)On- and off-CPU task time as a histogram.✨
• cpuunclaimed-bpfcc(8)Sample CPU run queues and calculate unclaimed idle CPU. Uses Linux eBPF/bcc.✨
• criticalstat-bpfcc(8)A tracer to find and report long atomic critical sections in kernel✨
• cthreads-bpfcc(8)Trace thread creation events in Java or pthreads.✨

D

• dbslower-bpfcc(8)Trace MySQL/PostgreSQL server queries slower than a threshold.✨
• dbstat-bpfcc(8)Collect histograms of MySQL/PostgreSQL query latencies.✨
• dcsnoop-bpfcc(8)Trace directory entry cache (dcache) lookups. Uses Linux eBPF/bcc.✨
• dcstat-bpfcc(8)Directory entry cache (dcache) stats. Uses Linux eBPF/bcc.✨
• deadlock-bpfcc(8)Find potential deadlocks (lock order inversions) in a running program.✨
• dirtop-bpfcc(8)File reads and writes by directory. Top for directories.✨
• drsnoop-bpfcc(8)Trace direct reclaim events. Uses Linux eBPF/bcc.✨

E

• execsnoop-bpfcc(8)Trace new processes via exec() syscalls. Uses Linux eBPF/bcc.✨
• exitsnoop-bpfcc(8)Trace all process termination (exit, fatal signal). Uses Linux eBPF/bcc.✨
• ext4dist-bpfcc(8)Summarize ext4 operation latency. Uses Linux eBPF/bcc.✨
• ext4slower-bpfcc(8)Trace slow ext4 file operations, with per-event details.✨

F

• f2fsslower-bpfcc(8)Trace slow f2fs file operations, with per-event details.✨
• filegone-bpfcc(8)Trace why file gone (deleted or renamed). Uses Linux eBPF/bcc.✨
• filelife-bpfcc(8)Trace the lifespan of short-lived files. Uses Linux eBPF/bcc.✨
• fileslower-bpfcc(8)Trace slow synchronous file reads and writes.✨
• filetop-bpfcc(8)File reads and writes by filename and process. Top for files.✨
• funccount-bpfcc(8)Count function, tracepoint, and USDT probe calls matching a pattern. Uses Linux eBPF/bcc.✨
• funcinterval-bpfcc(8)Time interval between the same function, tracepoint as a histogram.✨
• funclatency-bpfcc(8)Time functions and print latency as a histogram.✨
• funcslower-bpfcc(8)Trace slow kernel or user function calls.✨

G

• gethostlatency-bpfcc(8)Show latency for getaddrinfo/gethostbyname[2] calls. Uses Linux eBPF/bcc.✨

H

• hardirqs-bpfcc(8)Measure hard IRQ (hard interrupt) event time. Uses Linux eBPF/bcc.✨

I

• inject-bpfcc(8)injects appropriate error into function if input call chain and predicates are satisfied. Uses Linux eBPF/bcc.✨

J

• javacalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• javaflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• javagc-bpfcc(8)Trace garbage collection events in high-level languages.✨
• javaobjnew-bpfcc(8)Summarize object allocations in high-level languages.✨
• javastat-bpfcc(8)Activity stats from high-level languages.✨
• javathreads-bpfcc(8)Trace thread creation events in Java or pthreads.✨

K

• killsnoop-bpfcc(8)Trace signals issued by the kill() syscall. Uses Linux eBPF/bcc.✨
• klockstat-bpfcc(8)Traces kernel mutex lock events and display locks statistics. Uses Linux eBPF/bcc.✨
• ksnoop-bpfcc(8)tool for tracing kernel function entry/return showing arguments/return values✨
• kvmexit-bpfcc(8)Display the exit_reason and its statistics of each vm exit.✨

L

• llcstat-bpfcc(8)Summarize CPU cache references and misses by process. Uses Linux eBPF/bcc.✨

M

• mdflush-bpfcc(8)Trace md flush events. Uses Linux eBPF/bcc.✨
• memleak-bpfcc(8)Print a summary of outstanding allocations and their call stacks to detect memory leaks. Uses Linux eBPF/bcc.✨
• mountsnoop-bpfcc(8)Trace mount() and umount() syscalls. Uses Linux eBPF/bcc.✨
• mysqld_qslower-bpfcc(8)Trace MySQL server queries slower than a threshold.✨

N

• netqtop-bpfcc(8)Summarize PPS, BPS, average size of packets and packet counts ordered by packet sizes on each queue of a network interface.✨
• nfsdist-bpfcc(8)Summarize NFS operation latency. Uses Linux eBPF/bcc.✨
• nfsslower-bpfcc(8)Trace slow NFS file operations, with per-event details.✨
• nodegc-bpfcc(8)Trace garbage collection events in high-level languages.✨
• nodestat-bpfcc(8)Activity stats from high-level languages.✨
• numasched-bpfcc(8)Tracing task switch NUMA. Uses bcc/eBPF.✨

O

• offcputime-bpfcc(8)Summarize off-CPU time by kernel stack trace. Uses Linux eBPF/bcc.✨
• offwaketime-bpfcc(8)Summarize blocked time by off-CPU stack + waker stack. Uses Linux eBPF/bcc.✨
• oomkill-bpfcc(8)Trace oom_kill_process(). Uses Linux eBPF/bcc.✨
• opensnoop-bpfcc(8)Trace open() syscalls. Uses Linux eBPF/bcc.✨

P

• perlcalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• perlflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• perlstat-bpfcc(8)Activity stats from high-level languages.✨
• phpcalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• phpflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• phpstat-bpfcc(8)Activity stats from high-level languages.✨
• pidpersec-bpfcc(8)Count new processes (via fork()). Uses Linux eBPF/bcc.✨
• ppchcalls-bpfcc(8)Summarize ppc hcall counts and latencies.✨
• profile-bpfcc(8)Profile CPU usage by sampling stack traces. Uses Linux eBPF/bcc.✨
• pythoncalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• pythonflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• pythongc-bpfcc(8)Trace garbage collection events in high-level languages.✨
• pythonstat-bpfcc(8)Activity stats from high-level languages.✨

R

• rdmaucma-bpfcc(8)Trace RDMA Userspace Connection Manager Access Event. For Linux, uses BCC, eBPF.✨
• readahead-bpfcc(8)Show performance of read-ahead cache✨
• reset-trace-bpfcc(8)reset the state of tracing.✨
• rubycalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• rubyflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• rubygc-bpfcc(8)Trace garbage collection events in high-level languages.✨
• rubyobjnew-bpfcc(8)Summarize object allocations in high-level languages.✨
• rubystat-bpfcc(8)Activity stats from high-level languages.✨
• runqlat-bpfcc(8)Run queue (scheduler) latency as a histogram.✨
• runqlen-bpfcc(8)Scheduler run queue length as a histogram.✨
• runqslower-bpfcc(8)Trace long process scheduling delays.✨

S

• shmsnoop-bpfcc(8)Trace System V shared memory syscalls. Uses Linux eBPF/bcc.✨
• slabratetop-bpfcc(8)Kernel SLAB/SLUB memory cache allocation rate top. Uses Linux BPF/bcc.✨
• sofdsnoop-bpfcc(8)traces FDs passed by sockets✨
• softirqs-bpfcc(8)Measure soft IRQ (soft interrupt) event time. Uses Linux eBPF/bcc.✨
• solisten-bpfcc(8)Trace listening socket✨
• spfdsnoop-bpfcc(8)Trace FDs passed through unix sockets. Uses Linux eBPF/bcc.✨
• sslsniff-bpfcc(8)Print data passed to OpenSSL, GnuTLS or NSS. Uses Linux eBPF/bcc.✨
• stackcount-bpfcc(8)Count function calls and their stack traces. Uses Linux eBPF/bcc.✨
• statsnoop-bpfcc(8)Trace stat() syscalls. Uses Linux eBPF/bcc.✨
• swapin-bpfcc(8)Count swapins by process. Uses BCC/eBPF.✨
• syncsnoop-bpfcc(8)Trace sync() syscall. Uses Linux eBPF/bcc.✨
• syscount-bpfcc(8)Summarize syscall counts and latencies.✨

T

• tclcalls-bpfcc(8)Summarize method calls from high-level languages and Linux syscalls.✨
• tclflow-bpfcc(8)Print a flow graph of method calls in high-level languages.✨
• tclobjnew-bpfcc(8)Summarize object allocations in high-level languages.✨
• tclstat-bpfcc(8)Activity stats from high-level languages.✨
• tcpaccept-bpfcc(8)Trace TCP passive connections (accept()). Uses Linux eBPF/bcc.✨
• tcpcong-bpfcc(8)Measure tcp congestion state duration. Uses Linux eBPF/bcc.✨
• tcpconnect-bpfcc(8)Trace TCP active connections (connect()). Uses Linux eBPF/bcc.✨
• tcpconnlat-bpfcc(8)Trace TCP active connection latency. Uses Linux eBPF/bcc.✨
• tcpdrop-bpfcc(8)Trace kernel-based TCP packet drops with details. Uses Linux eBPF/bcc.✨
• tcplife-bpfcc(8)Trace TCP sessions and summarize lifespan. Uses Linux eBPF/bcc.✨
• tcpretrans-bpfcc(8)Trace or count TCP retransmits and TLPs. Uses Linux eBPF/bcc.✨
• tcprtt-bpfcc(8)Trace TCP RTT of established connections. Uses Linux eBPF/bcc.✨
• tcpstates-bpfcc(8)Trace TCP session state changes with durations. Uses Linux eBPF/bcc.✨
• tcpsubnet-bpfcc(8)Summarize and aggregate IPv4 TCP traffic by subnet.✨
• tcpsynbl-bpfcc(8)Show the TCP SYN backlog as a histogram. Uses BCC/eBPF.✨
• tcptop-bpfcc(8)Summarize TCP send/recv throughput by host. Top for TCP.✨
• tcptracer-bpfcc(8)Trace TCP established connections. Uses Linux eBPF/bcc.✨
• threadsnoop-bpfcc(8)Trace thread creation via pthread_create(). Uses BCC/eBPF.✨
• tplist-bpfcc(8)Display kernel tracepoints or USDT probes and their formats.✨
• trace-bpfcc(8)Trace a function and print its arguments or return value, optionally evaluating a filter. Uses Linux eBPF/bcc.✨
• ttysnoop-bpfcc(8)Watch output from a tty or pts device. Uses Linux eBPF/bcc.✨

U

• ucalls(8)Summarize method calls from high-level languages and Linux syscalls.✨
• uflow(8)Print a flow graph of method calls in high-level languages.✨
• ugc(8)Trace garbage collection events in high-level languages.✨
• uobjnew(8)Summarize object allocations in high-level languages.✨
• ustat(8)Activity stats from high-level languages.✨
• uthreads(8)Trace thread creation events in Java or pthreads.✨

V

• vfscount-bpfcc(8)Count VFS calls ("vfs_*"). Uses Linux eBPF/bcc.✨
• vfsstat-bpfcc(8)Statistics for some common VFS calls. Uses Linux eBPF/bcc.✨
• virtiostat-bpfcc(8)Trace VIRTIO devices input/output statistics. Uses Linux eBPF/bcc.✨

W

• wakeuptime-bpfcc(8)Summarize sleep to wakeup time by waker kernel stack. Uses Linux eBPF/bcc.✨
• wqlat-bpfcc(8)Summarize kernel workqueue latency as a histogram.✨

X

• xfsdist-bpfcc(8)Summarize XFS operation latency. Uses Linux eBPF/bcc.✨
• xfsslower-bpfcc(8)Trace slow xfs file operations, with per-event details.✨

Z

• zfsdist-bpfcc(8)Summarize ZFS operation latency. Uses Linux eBPF/bcc.✨
• zfsslower-bpfcc(8)Trace slow zfs file operations, with per-event details.✨