Get callers of a function

Returns the functions that call a specified function, based on profiling data. Shows who invokes the target function.

Usage

pv_callers(x, func)

Arguments

x

A profvis object.

func

The function name to analyze.

Value

A data frame with columns:

• label: Caller function name

• samples: Number of times this caller appeared

• pct: Percentage of calls from this caller

Examples

p <- pv_example()
pv_callers(p, "inner")
#> Function 'inner' not found in profiling data.
#> [1] label   samples pct    
#> <0 rows> (or 0-length row.names)