Fix crash when wrong reporter type is used

report_table_size was define but forgot to use it to check for
array border. Just fix this.

Signed-off-by: Kairui Song <[email protected]>

Fix the memory page freed counter leak

Fix some issues found by covscan

reporter: support a default global throttle value

perf: fix init error is some event is not available

Code clean up

Signed-off-by: Kairui Song <[email protected]>

Rework perf ring buffer handling, better performance and accuracy

Signed-off-by: Kairui Song <[email protected]>

Use travis for multi-arch test and build

Signed-off-by: Kairui Song <[email protected]>

Fix a memory leak in ftrace backend

Signed-off-by: Kairui Song <[email protected]>

Add a Github action for creating static release

Signed-off-by: Kairui Song <[email protected]>