From: Andi Kleen <[email protected]> When tracing floating point code it's quite possible that perf doesn't recognize the register number. Downgrade the warning for unknown registers to a debug message.
Signed-off-by: Andi Kleen <[email protected]> --- tools/perf/util/probe-finder.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 137b2fe71838..5fe6466254f9 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -272,8 +272,8 @@ static int convert_variable_location(Dwarf_Die *vr_die, Dwarf_Addr addr, regs = get_dwarf_regstr(regn, machine); if (!regs) { - /* This should be a bug in DWARF or this tool */ - pr_warning("Mapping for the register number %u " + /* This can happen with floating point */ + pr_debug("Mapping for the register number %u " "missing on this architecture.\n", regn); return -ENOTSUP; } -- 2.13.6
