Similar to XLOGF(...) except only log a message every
Declared in <folly/logging/xlog.h>
#define XLOGF_EVERY_N_IF(level, cond, n, fmt, ...)
See concurrency discussion for XLOG_EVERY_N which applies here as well.
| Name | Description |
|---|---|
| n | invocations, approximately, and if the specified condition predicate evaluates to true. |
| level | The folly::LogLevel value at which to log. |
| cond | A predicate; the message is logged only when it is true. |
| fmt | A folly::format-style format string for the message. |