diff options
author | Sohaib Mohamed <sohaib.amhmd@gmail.com> | 2023-08-22 16:46:59 +1000 |
---|---|---|
committer | Nathan Scott <nathans@redhat.com> | 2023-08-30 13:11:57 +1000 |
commit | 53bdcab942298e0e452d62237bc18e3a4cd551cf (patch) | |
tree | e7a62910b9f4a1a58560a4ded2e6f7e83d0b631e /pcp/PCPDynamicColumn.h | |
parent | 0f751e991d399769fb8d7800f7c4bccec2ca7f60 (diff) |
Support dynamic screens with 'top-most' entities beyond processes
This implements our concept of 'dynamic screens' in htop, with a
first use-case of pcp-htop displaying things like top-filesystem
and top-cgroups under new screen tabs. However the idea is more
general than use in pcp-htop and we've paved the way here for us
to collectively build mroe general tabular screens in core htop,
as well.
From the pcp-htop side of things, dynamic screens are configured
using text-based configuration files that define the mapping for
PCP metrics to columns (and metric instances to rows). Metrics
are defined either directly (via metric names) or indirectly via
PCP derived metric specifications. Value scaling and the units
displayed is automatic based on PCP metric units and data types.
This commit represents a collaborative effort of several months,
primarily between myself, Nathan and BenBE.
Signed-off-by: Sohaib Mohamed <sohaib.amhmd@gmail.com>
Signed-off-by: Nathan Scott <nathans@redhat.com>
Diffstat (limited to 'pcp/PCPDynamicColumn.h')
-rw-r--r-- | pcp/PCPDynamicColumn.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/pcp/PCPDynamicColumn.h b/pcp/PCPDynamicColumn.h index d0ffe719..ade782b7 100644 --- a/pcp/PCPDynamicColumn.h +++ b/pcp/PCPDynamicColumn.h @@ -1,5 +1,11 @@ #ifndef HEADER_PCPDynamicColumn #define HEADER_PCPDynamicColumn +/* +htop - PCPDynamicColumn.h +(C) 2023 htop dev team +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ #include <stddef.h> @@ -11,15 +17,22 @@ #include "pcp/PCPProcess.h" +struct pmDesc; + typedef struct PCPDynamicColumn_ { DynamicColumn super; char* metricName; + char* format; size_t id; /* identifier for metric array lookups */ + int width; /* optional width from configuration file */ + bool defaultEnabled; /* default enabled in dynamic screen */ + bool percent; + bool instances; /* an instance *names* column, not values */ } PCPDynamicColumn; typedef struct PCPDynamicColumns_ { Hashtable* table; - size_t count; /* count of dynamic meters discovered by scan */ + size_t count; /* count of dynamic columns discovered by scan */ size_t offset; /* start offset into the Platform metric array */ size_t cursor; /* identifier allocator for each new metric used */ } PCPDynamicColumns; @@ -28,8 +41,14 @@ void PCPDynamicColumns_init(PCPDynamicColumns* columns); void PCPDynamicColumns_done(Hashtable* table); +void PCPDynamicColumns_setupWidths(PCPDynamicColumns* columns); + void PCPDynamicColumn_writeField(PCPDynamicColumn* this, const Process* proc, RichString* str); +void PCPDynamicColumn_writeAtomValue(PCPDynamicColumn* column, RichString* str, const struct Settings_* settings, int metric, int instance, const struct pmDesc* desc, const void* atomvalue); + int PCPDynamicColumn_compareByKey(const PCPProcess* p1, const PCPProcess* p2, ProcessField key); +void PCPDynamicColumn_done(PCPDynamicColumn* this); + #endif |