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The performance modules in BlueField are present in several hardware blocks and each block provides access to these stats either through counters that can be programmed to monitor supported events or through memory-mapped registers that hold the relevant information. The hardware blocks that include a performance module are: * Tile (block containing 2 cores and a shared L2 cache) * TRIO (PCIe root complex) * MSS (Memory Sub-system containing the Memory Controller and L3 cache) * GIC (Interrupt controller) * SMMU (System Memory Management Unit) The mlx_pmc driver provides access to all of these performance modules through a hwmon sysfs interface. v2 --> v3 Update copyright info. v1 --> v2 Remove unused headers. Add comma to arrays where last line is not a termination. Use kstrtoint in place of sscanf. UUID manipulation follows drivers/platform/mellanox/mlxbf-bootctl.c Signed-off-by: Shravan Kumar Ramani <shravankr@nvidia.com> Reviewed-by: Vadim Pasternak <vadimp@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/4e19a1e5bf4197ad27fc57981fd280eaebd23577.1602160468.git.shravankr@nvidia.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> |
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