and free many blocks very quickly. See the OVERHEAD section below.
This tool only works on Linux 4.6+. Stack traces are obtained using the new BPF_STACK_TRACE` APIs.
+For kernels older than 4.6, see the version under tools/old.
.SH REQUIREMENTS
CONFIG_BPF and bcc.
.SH OPTIONS
This tool only works on Linux 4.6+. It uses the new `BPF_STACK_TRACE` table
APIs to generate the in-kernel stack traces.
+For kernels older than 4.6, see the version under tools/old.
.SH REQUIREMENTS
CONFIG_BPF and bcc.
.SH OPTIONS
If you'd prefer to use regular expressions, use the \-r option.
This tool only works on Linux 4.6+. Stack traces are obtained using the new `BPF_STACK_TRACE` APIs.
+For kernels older than 4.6, see the version under tools/old.
.SH REQUIREMENTS
CONFIG_BPF and bcc.
their cause. For high frequency kernel functions, see stackcount.
This tool only works on Linux 4.6+. Stack traces are obtained using the new BPF_STACK_TRACE` APIs.
+For kernels older than 4.6, see the version under tools/old.
.SH REQUIREMENTS
CONFIG_BPF and bcc.
.SH OPTIONS