On Sun, Oct 18, 2026 at 9:55 PM Aaron Merey <[email protected]> wrote: > > Hi Matt and Magnus, > > On Mon, Oct 12, 2026 at 2:40 PM Matt Turner <[email protected]> wrote: > > > > This series lets elfutils unwind on alpha, from core files > > (eu-stack --core), from stopped threads (eu-stack -p) and from perf > > samples (eu-stackprof). > > > > Patch 1 fixes the prstatus layout, which had pc and unique one slot too > > far. Patch 2 adds the ABI CFI and patch 3 reads the registers of a > > stopped thread with ptrace. Patch 4 unwinds from perf samples. > > > > Since Linux 7.1 the kernel returns a peeked value in [-4095, -1] as an > > error, which breaks patch 3 for threads with such a register value (seen > > with run-backtrace-native.sh). "alpha: enable GENERIC_ENTRY", queued in > > the alpha tree, fixes that. > > > > Patch 4 depends on the proposed kernel support for perf register > > sampling on alpha, which also provides <asm/perf_regs.h>: > > > > https://lore.kernel.org/r/[email protected] > > > > Patch 2 is also what perf record --call-graph dwarf needs from libdw on > > alpha. The perf tool side is posted as: > > > > https://lore.kernel.org/r/[email protected] > > > > Signed-off-by: Matt Turner <[email protected]> > > Thanks for the patches, they have been merged.
Thanks so much!
